Sample records for science homework assignments
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Schinske, Jeffrey N.; Perkins, Heather; Snyder, Amanda; Wyer, Mary
2016-01-01
Research into science identity, stereotype threat, and possible selves suggests a lack of diverse representations of scientists could impede traditionally underserved students from persisting and succeeding in science. We evaluated a series of metacognitive homework assignments ("Scientist Spotlights") that featured counterstereotypical…
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Effective Homework Assignments. Research Brief
Cooper, Harris
2008-01-01
Perhaps more than any question other than "How much time should students spend doing homework?" parents and educators want to know, "What kinds of homework assignments are most effective?" Clearly, the answers to this question vary according to many factors, especially the developmental level of students and the topic area. Generally, answers are…
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Schinske, Jeffrey N.; Perkins, Heather; Snyder, Amanda; Wyer, Mary
2016-01-01
Research into science identity, stereotype threat, and possible selves suggests a lack of diverse representations of scientists could impede traditionally underserved students from persisting and succeeding in science. We evaluated a series of metacognitive homework assignments (“Scientist Spotlights”) that featured counterstereotypical examples of scientists in an introductory biology class at a diverse community college. Scientist Spotlights additionally served as tools for content coverage, as scientists were selected to match topics covered each week. We analyzed beginning- and end-of-course essays completed by students during each of five courses with Scientist Spotlights and two courses with equivalent homework assignments that lacked connections to the stories of diverse scientists. Students completing Scientist Spotlights shifted toward counterstereotypical descriptions of scientists and conveyed an enhanced ability to personally relate to scientists following the intervention. Longitudinal data suggested these shifts were maintained 6 months after the completion of the course. Analyses further uncovered correlations between these shifts, interest in science, and course grades. As Scientist Spotlights require very little class time and complement existing curricula, they represent a promising tool for enhancing science identity, shifting stereotypes, and connecting content to issues of equity and diversity in a broad range of STEM classrooms. PMID:27587856
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Schinske, Jeffrey N; Perkins, Heather; Snyder, Amanda; Wyer, Mary
2016-01-01
Research into science identity, stereotype threat, and possible selves suggests a lack of diverse representations of scientists could impede traditionally underserved students from persisting and succeeding in science. We evaluated a series of metacognitive homework assignments ("Scientist Spotlights") that featured counterstereotypical examples of scientists in an introductory biology class at a diverse community college. Scientist Spotlights additionally served as tools for content coverage, as scientists were selected to match topics covered each week. We analyzed beginning- and end-of-course essays completed by students during each of five courses with Scientist Spotlights and two courses with equivalent homework assignments that lacked connections to the stories of diverse scientists. Students completing Scientist Spotlights shifted toward counterstereotypical descriptions of scientists and conveyed an enhanced ability to personally relate to scientists following the intervention. Longitudinal data suggested these shifts were maintained 6 months after the completion of the course. Analyses further uncovered correlations between these shifts, interest in science, and course grades. As Scientist Spotlights require very little class time and complement existing curricula, they represent a promising tool for enhancing science identity, shifting stereotypes, and connecting content to issues of equity and diversity in a broad range of STEM classrooms. © 2016 J. N. Schinske et al. CBE—Life Sciences Education © 2016 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).
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Whittington, A. G.; Speck, A.; Witzig, S.
2011-12-01
As part of an NSF-funded project, "CUES: Connecting Undergraduates to the Enterprise of Science," new inquiry-based homework materials were developed for two upper-level classes at the University of Missouri: Geochemistry (required for Geology majors, fulfills the computing requirement by having 50% of the grade come from five spreadsheet-based homework assignments), and Solar System Science (open to seniors and graduate students, co-taught and cross-listed between Geology and Physics & Astronomy). Inquiry involves activities where the learner engages in scientifically oriented questions, gives priority to evidence in responding to questions, formulates explanations from evidence, connects explanations to scientific knowledge, and communicates and justifies explanations. We engage students in inquiry-based learning by presenting homework exercises as "mini-journal" articles that follow the format of a scientific journal article, including a title, authors, abstract, introduction, methods, results, discussion and citations to peer-reviewed literature. The mini-journal provides a scaffold and serves as a springboard for students to develop and carry out their own follow-up investigation. They then present their findings in the form of their own mini-journal. Mini-journals replace traditional homework problem sets with a format that more directly reflects and encourages scientific practice. Students are engaged in inquiry-based homework which encompass doing, thinking, and communicating, while the mini-journal allows the instructor to contain lines of inquiry within the limits posed by available resources. In the examples we present, research is conducted via spreadsheet modeling, where the students develop their own spreadsheets. Example assignments from Geochemistry include "Trace Element Partitioning During Mantle Melting and MORB Crystallization" and "Isotopic Investigations of Crustal Evolution in the Midcontinent US". The key differences between the old and new
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Incorporating Inquiry into Upper-Level Undergraduate Homework Assignments: The Mini-Journal
Whittington, Alan; Speck, Angela; Witzig, Stephen; Abell, Sandra
2010-05-01
The US National Science Education Standards (2000) state that science should be taught through inquiry. The five essential features of classroom inquiry are that the leaner (i) engages in scientifically oriented questions, (ii) gives priority to evidence in responding to questions, (iii) formulates explanations from evidence, (iv) connects explanations to scientific knowledge, and (v) communicates and justifies explanations. One difficulty in achieving this vision at the university level lies in the common perception that inquiry be fully open and unstructured, and that its implementation will be impractical due to time and material constraints. In an NSF-funded project, "CUES: Connecting Undergraduates to the Enterprise of Science," faculty developed new inquiry-based laboratory curriculum materials using a "mini-journal" approach, which is designed as an alternative to the cookbook laboratory and represents the way that scientists do science. Here we adapt this approach to a homework assignment in an upper-level Planetary Science class, and show that inquiry is achievable in this setting. Traditional homeworks in this class consisted of problem sets requiring algebraic manipulation, computation, and in most cases an appraisal of the result Longer questions are broken down into chunks worth 1 to 4 points. In contrast, the mini-journal is a short article that is modeled in the way that scientists do and report science. It includes a title, abstract, introduction (with clear statement of the problem to be tackled), a description of the methods, results (presented as both tables and graphs), a discussion (with suggestions for future work) and a list of cited work. Students devise their research questions and hypothesis from the paper based on a logical next step in the investigation. Guiding questions in the discussion can assist the students ("it would be interesting to evaluate the effect of ..."). Students submit their own minijournal, using the same journal
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Evaluation of a Brief Homework Assignment Designed to Reduce Citation Problems
Schuetze, Pamela
2004-01-01
I evaluated a brief homework assignment designed to reduce citation problems in research-based term papers. Students in 2 developmental psychology classes received a brief presentation and handout defining plagiarism with tips on how to cite sources to avoid plagiarizing. In addition, students in 1 class completed 2 brief homework assignments in…
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The Impact of Adding Online Homework Assignments to an Introduction to Physical Geology Class
Brevik, Eric C.
2017-04-01
As instructors we are constantly looking for ways to improve student performance in the classroom. In an attempt to improve student performance in my GEOL 105 - Introduction to Physical Geology class, I added online homework assignments from the Pearson Mastering Geology program beginning in the Fall semester of 2014. There were several anticipated advantages to the online homework approach. If a student is struggling with a question they can get hints that don't tell them the answer, but are designed to stimulate their thinking and lead them towards the correct answer. The students also know immediately after submitting their answers which questions they got right and which were wrong, and they can go back to the wrong answers and try to determine the correct answer so they know what it is. This gives them much more rapid feedback than traditional paper homework, all of which makes this a more student-centered approach to learning. It is also my hope that the students find the online homework more interesting and interactive than paper-based homework, which I hope in turn will stimulate the students to be more likely to do the homework and take it seriously while also having some fun while doing it. As of the end of Fall semester 2016, I had been using the online homework assignments in my classes for three years. Therefore, I analyzed student performance in the three years prior to adopting the online homework and compared it to performance over the three years since adopting online homework. In the three years prior to adopting the online homework, the average grade in my classes was 73.8%; afterwards the average grade was 81.3%, for an improvement of 7.5% on average. Most of that improvement was in average test scores, which increased by 6.3% (67.4% prior to 73.6% after). The online homework did not improve the performance of the top students, but it did improve the performance of the other students. Prior to adopting the online homework, grade distribution in
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Hooker, Kathy L.
The benefits of effective parental involvement in education have been well documented and can be far reaching. When educators make an effort to involve families, parental involvement can be even more meaningful. Homework is a commonly practiced and accepted connection between school and home and affords parents many opportunities to interact with their children on educational endeavors. However, parental involvement may be limited because educators do not reach out to parents, parents feel their children do not need their help, or parents are unfamiliar with the content and therefore unable to help. The purpose of this study was too develop and implement a tool to enhance parental involvement and academic achievement of fourth grade science students. The tool used in this study was a weekly science video to be viewed by parents when it accompanied science homework assignments. To begin, the researcher created six science videos for parents to watch that supplemented weekly homework assignments. Consequently, the researcher set up treatment and comparison groups to test the effectiveness of the supplemental videos in terms of parental involvement and academic achievement. A mixed methods approach was used to collect data from parents and students throughout the study. A combination of quantitative and qualitative data was collected throughout this study from both parents and students. Additionally, data was collected from a variety of sources including baseline, midpoint, and endpoint surveys; scores on homework assignments; and focus group interview sessions with parents and students. Data analysis revealed an overall positive impact on parental involvement and academic achievement when the videos were utilized.
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Homework Assignments to Enhance Student Engagement in Secondary Education
Buijs, Maartje; Admiraal, Wilfried
2013-01-01
Secondary school teachers often complain that their students show a disengaged attitude in class. Students do not prepare for lessons, they show a passive attitude towards classroom activities and they have a limited awareness of their own learning process. Based on a pilot study, four homework assignments were designed, implemented, and evaluated…
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Langberg, Joshua M; Dvorsky, Melissa R; Molitor, Stephen J; Bourchtein, Elizaveta; Eddy, Laura D; Smith, Zoe; Schultz, Brandon K; Evans, Steven W
2016-04-01
The primary goal of this study was to longitudinally evaluate the homework assignment completion patterns of middle school age adolescents with ADHD, their associations with academic performance, and malleable predictors of homework assignment completion. Analyses were conducted on a sample of 104 middle school students comprehensively diagnosed with ADHD and followed for 18 months. Multiple teachers for each student provided information about the percentage of homework assignments turned in at five separate time points and school grades were collected quarterly. Results showed that agreement between teachers with respect to students assignment completion was high, with an intraclass correlation of .879 at baseline. Students with ADHD were turning in an average of 12% fewer assignments each academic quarter in comparison to teacher-reported classroom averages. Regression analyses revealed a robust association between the percentage of assignments turned in at baseline and school grades 18 months later, even after controlling for baseline grades, achievement (reading and math), intelligence, family income, and race. Cross-lag analyses demonstrated that the association between assignment completion and grades was reciprocal, with assignment completion negatively impacting grades and low grades in turn being associated with decreased future homework completion. Parent ratings of homework materials management abilities at baseline significantly predicted the percentage of assignments turned in as reported by teachers 18 months later. These findings demonstrate that homework assignment completion problems are persistent across time and an important intervention target for adolescents with ADHD. Copyright © 2015 Society for the Study of School Psychology. Published by Elsevier Ltd. All rights reserved.
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Incorporating Inquiry into Upper-Level Homework Assignments: The Mini-Journal
Whittington, A. G.; Speck, A. K.; Witzig, S. B.; Abell, S. K.
2009-12-01
The U.S. National Science Education Standards provide guidelines for teaching science through inquiry, where students actively develop their understanding of science by combining scientific knowledge with reasoning and thinking skills. Inquiry activities include reading scientific literature, generating hypotheses, designing and carrying out investigations, interpreting data, and formulating conclusions. Inquiry-based instruction emphasizes questions, evidence, and explanation, the essential features of inquiry. As part of an NSF-funded project, “CUES: Connecting Undergraduates to the Enterprise of Science,” new inquiry-based homework materials were developed for two upper-level classes at the University of Missouri: Geochemistry (required for Geology majors), and Solar System Science (open to seniors and graduate students, co-taught and cross-listed between Geology and Physics & Astronomy). We engage students in inquiry-based learning by presenting homework exercises as “mini-journal” articles that follow the format of a scientific journal article, including a title, authors, abstract, introduction, methods, results, discussion and citations to peer-reviewed literature. The mini-journal provides a scaffold and serves as a springboard for students to develop and carry out their own follow-up investigation. They then present their findings in the form of their own mini-journal. Mini-journals replace traditional homework problem sets with a format that more directly reflects and encourages scientific practice. Students are engaged in inquiry-based homework which encompass doing, thinking, and communicating, while the minijournal allows the instructor to contain lines of inquiry within the limits posed by available resources. In the examples we present, research is conducted via spreadsheet modeling, where the students develop their own spreadsheets. The key differences between the old and new formats include (i) the active participation of the students in
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Blazer, Christie
2009-01-01
Although homework is assigned for a variety of academic and non-academic purposes, there is disagreement within the educational community about the value of homework and the amount of homework students should be assigned. This Literature Review summarizes the benefits and drawbacks of homework and examines how much time students should and…
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Directory of Open Access Journals (Sweden)
Riski Aulia
2012-08-01
Full Text Available This study aims to determine the efforts and success in overcoming learned helplessness behavior in students failing grades through rational emotive counseling techniques homework assignments. Type of study used is action research. The subjects studied are two repetition students who experienced learned helplessness. Data collection methods used were interviews, observation and documentation. While the data analysis using qualitative analysis.The results of the study showed that after given counseling in the action cycles 1 and 2, showed that the clients learned helplessness criteria is very low with a decreased percentage. It was concluded that the learned helplessness in repetition students can be solve by using rational emotive counseling with homework assignments technique.
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Calibrated peer review assignments for the earth sciences
Rudd, J.A.; Wang, V.Z.; Cervato, C.; Ridky, R.W.
2009-01-01
Calibrated Peer Review ??? (CPR), a web-based instructional tool developed as part of the National Science Foundation reform initiatives in undergraduate science education, allows instructors to incorporate multiple writing assignments in large courses without overwhelming the instructor. This study reports successful implementation of CPR in a large, introductory geology course and student learning of geoscience content. For each CPR assignment in this study, students studied web-based and paper resources, wrote an essay, and reviewed seven essays (three from the instructor, three from peers, and their own) on the topic. Although many students expressed negative attitudes and concerns, particularly about the peer review process of this innovative instructional approach, they also recognized the learning potential of completing CPR assignments. Comparing instruction on earthquakes and plate boundaries using a CPR assignment vs. an instructional video lecture and homework essay with extensive instructor feedback, students mastered more content via CPR instruction.
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An Empirical Examination of the Roles of Ability and Gender in Collaborative Homework Assignments
Parker, Jeffrey
2010-01-01
The author investigates how ability and gender affect grades on homework projects performed by assigned pairs of students in an undergraduate macroeconomics course. The assignment grade is found to depend on the ability of both students, and the relative importance of the stronger and weaker student differs in predictable ways depending on the…
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Lieberman, Laurence M.
1983-01-01
The author describes five common problems associated with assigned homework, then proposes a reconceptualization of homework which involves students' earning the privilege to do homework at home. Suggestions are made for implementation. (MC)
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The effect of homework choices on achievement and intrinsic motivation
Christensen, Emily Fast
The purpose of this research was to test an intervention of choices in homework on the achievement and intrinsic motivation of seventh-grade science students at a middle school. The intervention was based on concepts from the cognitive evaluation theory of Edward L. Deci and Richard M. Ryan (1985). The subjects were sixteen heterogeneous classes of seventh-grade students, who were divided among four teachers. Two randomly chosen classes from each teacher received choices in their homework and the remaining two classes of each teacher received similar homework assignments without choices. Two hypotheses were developed for this study: (1) Seventh-grade science students given choices in their homework would show an increase in intrinsic motivation as measured on a motivation orientation measure, compared to students not given choices in their homework, and (2) Seventh-grade science students given choices in their homework would show an increase in achievement on an achievement measure, compared to students not given choices in their homework. Having choices in homework did not increase intrinsic motivation or achievement. However, students who did their homework did significantly better on the posttest, and students who were more intrinsically motivated did significantly better on the posttest. Just doing the homework was important for achievement, and intrinsic motivation was linked to achievement.
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Practical Homework Assignments As Part Of Chemistry Teaching And Learning
Dragica Trivic; Mirjana Markovi; Miomir Randjelovi
2010-01-01
The paper presents two examples of classroom practices when practical research tasks in primary and secondary school are assigned as homework. The task for primary school students was aimed at developing divergent thinking, which is evidenced and illustrated by some examples of students’ solutions. The task for secondary school students illustrates how these students are able to apply their classroom knowledge of acids, bases and indicators on the substances they can find in everyday life. Th...
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Written feedback to mathematics homework
Žitko, Urša
2017-01-01
This diploma thesis is about teachers’ feedback to students’ mathematics homework. In the theoretical part I present the purpose and history of homework assignments as well as various classifications of types of homework. In general, homework assignments are intended for students to learn and refresh the subject matter they have learnt in class, to gain further understanding, to practice various mathematical processes, and to prepare the student for a forthcoming subject matter. By doing home...
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Homework in Physical Education? A Review of Physical Education Homework Literature
Hill, Kory
2018-01-01
The use of homework in physical education has not historically been a topic of intense study. Relatively few studies have been devoted to the topic, particularly when compared to the use of homework in classroom settings. Nonetheless, some physical educators have suggested the assignment of homework as a way to meet important objectives and…
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Tinney, Charles Evan
2007-12-01
By using the book "Physics for Scientists and Engineers" by Raymond A. Serway as a guide, CD problem sets for teaching a calculus-based physics course were developed, programmed, and evaluated for homework assignments during the 2003-2004 academic year at Utah State University. These CD sets were used to replace the traditionally handwritten and submitted homework sets. They included a research-based format that guided the students through problem-solving techniques using responseactivated helps and suggestions. The CD contents were designed to help the student improve his/her physics problem-solving skills. The analyzed score results showed a direct correlation between the scores obtained on the homework and the students' time spent per problem, as well as the number of helps used per problem.
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Why Do Students Have Difficulties Completing Homework? The Need for Homework Management
Xu, Jianzhong
2013-01-01
Homework is a common and widespread educational activity. Yet, as homework often takes place amidst the pull of more attractive and competing after-school activities, doing homework presents multiple challenges for many students, even for those students who find their assignments meaningful and interesting. In this article, I first examine five…
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Assigning Effective Homework. Classroom Tips
American Federation of Teachers (NJ), 2010
2010-01-01
Each new school year brings high hopes, great expectations and challenges for both new and seasoned educators. The American Federation of Teachers (AFT) has developed a series called "Classroom Tips" to help educators start the year right and anticipate the year ahead. Over the past 40 years, most research studies on homework have found that…
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Maltese, Adam V.; Tai, Robert H.; Fan, Xitao
2012-01-01
Even with the history of debate over the merits of homework, there are significant gaps in the research record regarding its benefit to students. The focus of this study is on the association between time spent on homework and academic performance in science and math by assessing survey and transcript data from two nationally representative…
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Homework for All--in Moderation.
Cooper, Harris
2001-01-01
Homework substantially affects high-school students' achievement, benefits junior-high kids only half as much, and elementary kids negligibly. Homework can be an effective teaching tool when districts, schools, and teachers flex and coordinate their policies, stress developmentally appropriate assignments, and try alternatives to homework.…
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Bao, Lei; Stonebraker, Stephen R.; Sadaghiani, Homeyra
2008-09-01
The traditional methods of assigning and grading homework in large enrollment physics courses have raised concerns among many instructors and students. In this paper we discuss a cost-effective approach to managing homework that involves making half of the problem solutions available to students before the homework is due. In addition, students are allowed some control in choosing which problems to solve. This paper-based approach to homework provides more detailed and timely support to students and increases the amount of self-direction in the homework process. We describe the method and present preliminary results on how students have responded.
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Primary Teachers Opinion about Homework
Matei, Stefania; Ciasca, Liliana
2015-01-01
Homework assignments trigger various perceptions and attitudes in students, parents or teachers: some overestimate them, others reject them, some do it with pleasure and to others they cause tears. Literature indicates both benefits and disadvantages of homework. In Romania, at primary level, homework is a systematic practice. The explanation is…
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What Is Homework For? Hong Kong Primary School Teachers' Homework Conceptions
Tam, Vicky C.; Chan, Raymond M. C.
2016-01-01
It is generally agreed that student homework has the potential to extend learning beyond the classroom. Teachers play a crucial role in the design and implementation of these assignments. Their beliefs and perceptions are important factors in determining the type and load of homework. This mixed methods study focuses on teachers' homework…
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Conceptualizing "Homework" in Flipped Mathematics Classes
de Araujo, Zandra; Otten, Samuel; Birisci, Salih
2017-01-01
Flipped instruction is becoming more common in the United States, particularly in mathematics classes. One of the defining characteristics of this increasingly popular instructional format is the homework teachers assign. In contrast to traditional mathematics classes in which homework consists of problem sets, homework in flipped classes often…
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Stockburger, D W
1999-05-01
Active server pages permit a software developer to customize the Web experience for users by inserting server-side script and database access into Web pages. This paper describes applications of these techniques and provides a primer on the use of these methods. Applications include a system that generates and grades individualized homework assignments and tests for statistics students. The student accesses the system as a Web page, prints out the assignment, does the assignment, and enters the answers on the Web page. The server, running on NT Server 4.0, grades the assignment, updates the grade book (on a database), and returns the answer key to the student.
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Homework Problems: How Much Is Too Much?
Vail, Kathleen
2001-01-01
Homework is a battleground for many families. Increasingly, parents are asking their school boards to reconsider the amounts of homework assigned, and administrators are questioning homework quality. A New Jersey district has imposed strict limitations, allowing students more downtime and reading/informal learning opportunities. (MLH)
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Homework and Science Learning in Secondary Schools.
Tamir, Pinchas
1985-01-01
Offers a conceptual framework for studying and analyzing potential benefits/disadvantages of homework. Also describes studies (measurement of conditions, practices, and attitudes toward homework). Findings show that students value homework, that few teachers regularly check homework, and that there are sex differences between Arab and Jewish…
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Ratniyom, Jadsada; Boonphadung, Suttipong; Unnanantn, Thassanant
2016-01-01
This study examined the effects of the introductory organic chemistry online homework on first year pre-service science teachers' learning achievements. The online homework was created using a web-based Google form in order to enhance the pre-service science teachers' learning achievements. The steps for constructing online homework were…
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Trobec, Nika
2013-01-01
Homework assignments have many positive educational effects, which are achieved only when they are regularly performed and completed. While doing homework, students are under the influence of various external and internal factors that affect its utility. Many of them experience homework-related problems in one or more areas which are described in theoretical part. Aim of the empirical survey was to do a research on homework practices of students with learning disabilities and high achieving s...
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Online Mathematics Homework Increases Student Achievement
Directory of Open Access Journals (Sweden)
Jeremy Roschelle
2016-10-01
Full Text Available In a randomized field trial with 2,850 seventh-grade mathematics students, we evaluated whether an educational technology intervention increased mathematics learning. Assigning homework is common yet sometimes controversial. Building on prior research on formative assessment and adaptive teaching, we predicted that combining an online homework tool with teacher training could increase learning. The online tool ASSISTments (a provides timely feedback and hints to students as they do homework and (b gives teachers timely, organized information about students’ work. To test this prediction, we analyzed data from 43 schools that participated in a random assignment experiment in Maine, a state that provides every seventh-grade student with a laptop to take home. Results showed that the intervention significantly increased student scores on an end-of-the-year standardized mathematics assessment as compared with a control group that continued with existing homework practices. Students with low prior mathematics achievement benefited most. The intervention has potential for wider adoption.
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Science Teachers' Voice on Homework: Beliefs, Attitudes, and Behaviors
Kukliansky, Ida; Shosberger, Itai; Eshach, Haim
2016-01-01
Homework (HW) is an integral part of the learning process. Currently, there is renewed interest and controversy about its effectiveness. The present study explores the voices of the science teachers on this matter. Adopting the view that reporting both teachers' views and actual classroom practices is necessary for obtaining a more complete view…
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2015-02-17
number of students into pursuing science and technology careers, it is important for physics educators to know how beneficial their pedagogical tools...essentially no effect on total exam scores. We assign homework because we expect there is a causative relationship between homework and learning. The...correlations in Fig. 2 and Fig. 3 suggest that this anticipated causative relationship shou ld be reevaluated for major segments of our student
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Increasing the Effectiveness of Homework for All Learners in the Inclusive Classroom
Carr, Nicole Schrat
2013-01-01
This article discusses how teachers can increase the effectiveness of homework assignments for all learners. Homework, when designed and implemented properly, is a valuable tool for reinforcing learning. This essay provides a summary of educational research on homework, discusses the elements of effective homework, and suggests practical classroom…
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Ryum, Truls; Stiles, Tore C.; Svartberg, Martin; McCullough, Leigh
2010-01-01
Therapist competence in assigning homework was used to predict mid- and posttreatment outcome for patients with Cluster C personality disorders in cognitive therapy (CT). Twenty-five patients that underwent 40 sessions of CT were taken from a randomized controlled trial (Svartberg, Stiles, & Seltzer, 2004). Therapist competence in assigning…
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Family homework and school-based sex education: delaying early adolescents' sexual behavior.
Grossman, Jennifer M; Frye, Alice; Charmaraman, Linda; Erkut, Sumru
2013-11-01
Early sexual activity can undermine adolescents' future school success and health outcomes. The purpose of this study was to assess the role of a family homework component of a comprehensive sex education intervention in delaying sexual initiation for early adolescents and to explore what social and contextual factors prevent adolescents from completing these family homework activities. This mixed methods study included 6th- and 7th-grade survey responses from 706 students at 11 middle school schools receiving a sex education intervention, as well as interviews from a subset of 33, 7th-grade students from the larger sample. Adolescents who completed more family homework assignments were less likely to have vaginal intercourse in 7th grade than those who completed fewer assignments, after controlling for self-reports of having had vaginal intercourse in 6th grade and demographic variables. Participants' explanations for not completing assignments included personal, curriculum, and family-based reasons. Family homework activities designed to increase family communication about sexual issues can delay sex among early adolescents and contribute to school-based sex education programs. Successful sex education programs must identify and address barriers to family homework completion. © 2013, American School Health Association.
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Student-Created Homework Problems Based on YouTube Videos
Liberatore, Matthew W.; Marr, David W. M.; Herring, Andrew M.; Way, J. Douglas
2013-01-01
Inspired by YouTube videos, students created homework problems as part of a class project. The project has been successful at different parts of the semester and demonstrated learning of course concepts. These new problems were implemented both in class and as part of homework assignments without significant changes. Examples from a material and…
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Diabetes Treatment as “Homework"
DEFF Research Database (Denmark)
Nielsen, Jannie; Bahendeka, Silver K.; Bygbjerg, Ib Christian
2016-01-01
Background: Health professionals assign diabetes patients “homework” in that they give them instructions on how to manage diabetes, recognizing that most diabetes care takes place in the home setting. We studied how homework is practiced and whether knowledge and behavioral practices related...... to diabetes self-management diffuse from patients to their housemates. Method: This mixed-methods study combined quantitative data from a household survey including 90 rural Ugandan households (50% had a member with type 2 diabetes [T2D]) with qualitative data from health facilities and interviews with 10...... patients with T2D. Focus for data collection was knowledge and practices related to diabetes homework. A generalized mixed model was used to analyze quantitative data, while content analysis was used for qualitative data analysis. Results: Patients with T2D generally understood the diabetes homework...
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Academic goals, student homework engagement, and academic achievement in Primary Education
Directory of Open Access Journals (Sweden)
Antonio eValle
2016-03-01
Full Text Available There seems to be a general consensus in the literature that doing homework is beneficial for students. Thus, the current challenge is to examine the process of doing homework to find which variables may help students to complete the homework assigned. To address this goal, a path analysis model was fit. The model hypothesized that the way students engage in homework is explained by the type of academic goals set, and it explains the amount of time spend on homework, the homework time management, and the amount of homework done. Lastly, the amount of homework done is positively related to academic achievement. The model was fit using a sample of 535 Spanish students from the last three courses of elementary school (aged 9 to 13. Findings show that: (a academic achievement was positively associated with the amount of homework completed, (b the amount of homework completed was related to the homework time management, (c homework time management was associated with the approach to homework; (d and the approach to homework, like the rest of the variables of the model (except for the time spent on homework, was related to the student's academic motivation (i.e., academic goals.
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Tam, Vicky C. W.; Chan, Raymond M. C.
2011-01-01
This study examines the perceptions of Chinese students and parents in Hong Kong on homework involvement, assignment type and homework functions. The relationships of homework perceptions to student and parent attributes are also assessed. The sample includes 1393 pairs of students and their parents from 36 primary schools in Hong Kong. Findings…
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GRADING: Involving Students in a Time-saving Solution to the Homework Problem.
Mafi, Mohammad
1989-01-01
A procedure where homework assignments are collected, graded, and returned each week is suggested. Students were used to grade each other's homework against copies of the solutions according to criteria established at the beginning of the course. Student response has been positive. (MVL)
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Does an intelligent tutor homework system encourage beneficial collaboration?
van de Sande, Brett; Hausmann, Robert
2008-03-01
Physics instructors agree that homework assignments are an integral part of physics instruction. When students complete their assignments, we know they may work individually or in small groups. Unfortunately, most computer-based homework systems are structured for individual learners. In particular, these systems only evaluate the final answer, putting pressure on any students working in groups to engage in copying. In contrast, Andes is an intelligent tutor homework helper that requires students to show intermediate steps when solving a problem. Andes has been used successfully by instructors at several colleges and high schools. In order to investigate collaborative versus individual problem solving, we conducted a lab study where we recorded verbal self-explanations and logged solution steps as individuals and student pairs used Andes to solve a set of problems. We found that students working in pairs relied less on the tutor's hints and engaged in collaborative sense-making. Implications for instructional practices are discussed.
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Decker, Suzanne E; Kiluk, Brian D; Frankforter, Tami; Babuscio, Theresa; Nich, Charla; Carroll, Kathleen M
2016-10-01
Homework in cognitive-behavioral therapy (CBT) provides opportunities to practice skills. In prior studies, homework adherence was associated with improved outcome across a variety of disorders. Few studies have examined whether the relationship between homework adherence and outcome is maintained after treatment end or is independent of treatment attendance. This study combined data from 4 randomized clinical trials of CBT for cocaine dependence to examine relationships among homework adherence, participant variables, and cocaine use outcomes during treatment and at follow-up. The data set included only participants who attended at least 2 CBT sessions to allow for assignment and return of homework (N = 158). Participants returned slightly less than half (41.1%) of assigned homework. Longitudinal random effects regression suggested a greater reduction in cocaine use during treatment and through 12-month follow-up for participants who completed half or more of assigned homework (3-way interaction), F(2, 910.69) = 4.28, p = .01. In multiple linear regression, the percentage of homework adherence was associated with greater number of cocaine-negative urine toxicology screens during treatment, even when accounting for baseline cocaine use frequency and treatment attendance; at 3 months follow-up, multiple logistic regression indicated homework adherence was associated with cocaine-negative urine toxicology screen, controlling for baseline cocaine use and treatment attendance. These results extend findings from prior studies regarding the importance of homework adherence by demonstrating associations among homework and cocaine use outcomes during treatment and up to 12 months after, independent of treatment attendance and baseline cocaine use severity. (PsycINFO Database Record (c) 2016 APA, all rights reserved).
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Promoting homework adherence in cognitive-behavioral therapy for adolescent depression.
Jungbluth, Nathaniel J; Shirk, Stephen R
2013-01-01
This study used prospective, observational methods to evaluate six features of therapist behavior as predictors of homework adherence in cognitive-behavioral therapy for adolescent depression, with the goal of identifying therapist strategies with the potential to improve adolescent adherence. Therapist behaviors were expected to interact with initial levels of client resistance or adherence to predict subsequent homework completion. Participants were 50 referred adolescents (33 female, 54% ethnic minority) ages 14 to 18 (M = 15.9) meeting diagnostic criteria for a depressive disorder, and without comorbid psychotic disorder, bipolar disorder, autism spectrum disorder, intellectual disability, or concurrent treatments. Therapist homework-related behaviors were coded from audiotapes of Sessions 1 and 2 and used to predict adolescents' homework adherence, coded from audiotapes of Sessions 2 and 3. Several therapist behaviors were predictive of subsequent homework adherence, particularly for initially resistant or nonadherent adolescents. Stronger homework rationale and greater time allocated to explaining homework in Session 1 predicted greater adherence at Session 2, particularly for initially resistant adolescents. Stronger rationale and eliciting reactions/troubleshooting obstacles in Session 2 predicted greater adherence at Session 3, particularly for adolescents who were less adherent to prior homework. Strategies such as providing a strong rationale, allocating more time to assigning homework, and eliciting reactions/troubleshooting obstacles may be effective ways to bolster homework adherence among initially less engaged, depressed teens.
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How Parental Support during Homework Contributes to Helpless Behaviors among Struggling Readers
Orkin, Melissa; May, Sidney; Wolf, Maryanne
2017-01-01
This research investigated the influence of parental practices on helpless behaviors of struggling readers during homework tasks. Parents (N = 36) of elementary students reported on their children's helpless behaviors, such as task avoidance and negative affect, during homework assignments, and on the nature and frequency of their support.…
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One Method for Inhibiting the Copying of Online Homework
Busch, Hauke
2017-10-01
Over the last several years online homework solutions have become ever more accessible to students. This is due in part to programs like Yahoo Answers, Chegg, publisher solution manuals, and other web resources that are readily available online. The student can easily search any physics homework problem posted on the web in a matter of seconds and have the solution. The results of this are an apparent increase in students copying the answers without solving the problem, which may lead to an increase in homework scores but a reduction in exam scores and an overall lower grade in the class. A secondary effect that may be observed is that tutoring centers, recitations, and supplemental instructor sessions have reduced student attendance. Some might say that the readily available solutions for homework systems such as MasteringPhysics (MP), WebAssign, etc. have greatly diminished them as a teaching tool, and for grading and assessing students' performance in a course. It is the purpose of this paper to offer a possible solution for preventing students from potentially copying online homework solutions.
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Using Environmental Science as a Motivational Tool to Teach Physics to Non-Science Majors
Busch, Hauke C.
2010-01-01
A traditional physical science course was transformed into an environmental physical science course to teach physics to non-science majors. The objective of the new course was to improve the learning of basic physics principles by applying them to current issues of interest. A new curriculum was developed with new labs, homework assignments,…
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Fratto, Victoria; Sava, Magda Gabriela; Krivacek, Gregory J.
2016-01-01
Educators in all disciplines are searching for effective educational technologies that help students learn. One technology that has evolved is the online homework management system. The online homework management system permits professors to use the Internet to assign homework problems that students can complete online. Since this system is…
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Williams, Julie Ann Stuart; Reid, Randall C.
2010-01-01
The authors describe how to structure a memo format for homework assignments in which a manager requests analysis of a particular issue from the student. The student must respond with a memo stating a recommendation and describing the solution approach. The results from using the memo format include improved student performance and professional…
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WebAssign: Assessing Your Students' Understanding Continuously
Risley, John S.
1999-11-01
Motivating students to learn is a constant challenge for faculty. Technology can play a significant role. One such solution is WebAssign — a web-based homework system that offers new teaching and learning opportunities for educators and their students. WebAssign delivers, collects, grades, and records customized homework assignments over the Internet. Students get immediate feedback with credit and instructors can implement "Just-in-Time" teaching. In this talk, I will describe how assignments can be generated with different numerical values for each question, giving each student a unique problem to solve. This feature encourages independent thinking with the benefit of collaborative learning. Example assignments taken from textbook questions and intellectually engaging Java applet simulations will be shown. Studies and first-hand experience on the educational impact of using WebAssign will also be discussed.
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Nielsen, Jannie; Bahendeka, Silver K.; Bygbjerg, Ib C.; Meyrowitsch, Dan W.; Whyte, Susan R.
2016-01-01
Background: Health professionals assign diabetes patients "homework" in that they give them instructions on how to manage diabetes, recognizing that most diabetes care takes place in the home setting. We studied how homework is practiced and whether knowledge and behavioral practices related to diabetes self-management diffuse from…
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Distributed Collaborative Homework Activities in a Problem-Based Usability Engineering Course
Carroll, John M.; Jiang, Hao; Borge, Marcela
2015-01-01
Teams of students in an upper-division undergraduate Usability Engineering course used a collaborative environment to carry out a series of three distributed collaborative homework assignments. Assignments were case-based analyses structured using a jigsaw design; students were provided a collaborative software environment and introduced to a…
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Night Shift: Ideas and Strategies for Homework. Pathfinder 20. A CILT Series for Language Teachers.
Buckland, David; Short, Mike
A variety of ideas and strategies for homework assignments that can be stimulating and useful to second language learners are presented. Underlying principles are that homework can: give control; develop confidence; promote creativity; support differentiation by task and outcome; encourage pupil independence; support parent-school communication;…
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An Intervention to Improve Motivation for Homework
Akioka, Elisabeth; Gilmore, Linda
2013-01-01
A repeated measures design, with randomly assigned intervention and control groups and multiple sources of information on each participant, was used to examine whether changing the method of delivery of a school's homework program in order to better meet the students' needs for autonomy, relatedness and competence would lead to more positive…
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Effect on student motivation, achievement, and learning behavior through the new homework system
Sadaghiani, Homeyra; Bao, Lei
2002-10-01
In our introductory physics courses, we implemented a new homework method, where students are allowed to view the solutions to their assignments before the due date. Through applying this homework system we study students' adaptation to having this type of feedback-in-advance information. In particular, we investigate their motivation in learning physics and study the effectiveness of this method in conjunction with students' motivational level.
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Shepard, Joan M.
This practicum was designed to increase responsibility for completing and handing in homework among students in grades three, four, and five in a mid-Atlantic school district. Of a total of 128 students in these grades, 28 were identified to learn strategies to aid in completing homework. Nine solution strategies were employed: (1) provide…
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Directory of Open Access Journals (Sweden)
José C. Núñez
2017-07-01
Full Text Available This study investigated how students’ prior achievement is related to their homework behaviors (i.e., time spent on homework, homework time management, and amount of homework, and to their perceptions of parental involvement in homework (i.e., parental control and parental support. A total of 1250 secondary students from 7 to 10th grade participated in the study. Structural equation models were fitted to the data, compared, and a partial mediation model was chosen. The results indicated that students’ prior academic performance was significantly associated with both of the students’ homework variables, with direct and indirect results linking achievement and homework behaviors with perceived parental control and support behaviors about homework. Low-achieving students, in particular, perceived more parental control of homework in the secondary grades. These results, together with those of previous research, suggest a recursive relationship between secondary school students’ achievement and their perceptions of parental involvement in homework, which represents the process of student learning and family engagement over time. Study limitations and educational implications are discussed.
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Eardley, Julie Anne
The purpose of this study was to determine the effect of different instructional media (computer assisted instruction (CAI) tutorial vs. traditional textbook) on student attitudes toward science and computers and achievement scores in a team-taught integrated science course, ENS 1001, "The Whole Earth Course," which was offered at Florida Institute of Technology during the Fall 2000 term. The effect of gender on student attitudes toward science and computers and achievement scores was also investigated. This study employed a randomized pretest-posttest control group experimental research design with a sample of 30 students (12 males and 18 females). Students had registered for weekly lab sessions that accompanied the course and had been randomly assigned to the treatment or control group. The treatment group used a CAI tutorial for completing homework assignments and the control group used the required textbook for completing homework assignments. The Attitude toward Science and Computers Questionnaire and Achievement Test were the two instruments administered during this study to measure students' attitudes and achievement score changes. A multivariate analysis of covariance (MANCOVA), using hierarchical multiple regression/correlation (MRC), was employed to determine: (1) treatment versus control group attitude and achievement differences; and (2) male versus female attitude and achievement differences. The differences between the treatment group's and control group's homework averages were determined by t test analyses. The overall MANCOVA model was found to be significant at p factor set independent variables separately resulted in gender being the only variable that significantly contributed in explaining the variability in a dependent variable, attitudes toward science and computers. T test analyses of the homework averages showed no significant differences. Contradictory to the findings of this study, anecdotal information from personal communication, course
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Patterns, correlates, and reduction of homework copying
Directory of Open Access Journals (Sweden)
David J. Palazzo
2010-03-01
Full Text Available Submissions to an online homework tutor were analyzed to determine whether they were copied. The fraction of copied submissions increased rapidly over the semester, as each weekly deadline approached and for problems later in each assignment. The majority of students, who copied less than 10% of their problems, worked steadily over the three days prior to the deadline, whereas repetitive copiers (those who copied >30% of their submitted problems exerted little effort early. Importantly, copying homework problems that require an analytic answer correlates with a 2(σ decline over the semester in relative score for similar problems on exams but does not significantly correlate with the amount of conceptual learning as measured by pretesting and post-testing. An anonymous survey containing questions used in many previous studies of self-reported academic dishonesty showed ∼1/3 less copying than actually was detected. The observed patterns of copying, free response questions on the survey, and interview data suggest that time pressure on students who do not start their homework in a timely fashion is the proximate cause of copying. Several measures of initial ability in math or physics correlated with copying weakly or not at all. Changes in course format and instructional practices that previous self-reported academic dishonesty surveys and/or the observed copying patterns suggested would reduce copying have been accompanied by more than a factor of 4 reduction of copying from ∼11% of all electronic problems to less than 3%. As expected (since repetitive copiers have approximately three times the chance of failing, this was accompanied by a reduction in the overall course failure rate. Survey results indicate that students copy almost twice as much written homework as online homework and show that students nationally admit to more academic dishonesty than MIT students.
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Homework Emotion Management at the Secondary School Level: Antecedents and Homework Completion
Xu, Jianzhong
2011-01-01
Background/Context: For many children, doing homework becomes an emotionally charged event and one of the most disappointing aspects of school life. It is surprising to note, however, that homework emotion management is noticeably absent from much contemporary homework literature. Purpose: The primary propose of the present study was to propose…
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Web-based Homework and Quiz Systems
Pritchard, David
2005-05-01
Mastering Physics is a Socratic tutor designed to help students learn introductory physics. The tutor poses problems and then comments specifically on about 1/2 of all wrong answers, even though most responses demanded are analytic expressions. Students can request hints (some of which are sub-problems), and work through the list of hint titles at random. In a typical problem there are 10 round trip interactions between tutor and student, raising the percentage of students who get the answer from ˜60% on the first try to over 90% after tutoring. This is Mastery Learning where student time and effort are increased to achieve learning rather than the grade decreased to indicate that the learning is incomplete. Mastering Physics is also a homework administration system that aids the instructor in preparing an assignment by indicating (in the problem library) the difficulty and duration of each problem and of the overall assignment. At MIT doing Mastering Physics has been shown to correlate much better than written homework or going to recitation with scoring better on the final exam in May than that student did on the final in December (which is why the student was repeating the course in the spring). At Arizona State, Mastering Physics increased the class' normalized gain on the Force Concept Inventory from 21% to 40% the year it was introduced.
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Can Research Homework Provide a Vehicle for Assessment for Learning in Science Lessons?
Newby, Louise; Winterbottom, Mark
2011-01-01
Many English schools have a homework policy which prescribes how much homework should be set for each pupil each week, irrespective of whether it can be made meaningful. Research recommends "Assessment for Learning" (AfL) as supportive of students' learning, but teachers can find it difficult to incorporate AfL techniques into their…
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Directory of Open Access Journals (Sweden)
Gus Riries Nahdliyatul Awaliyah
2014-06-01
Full Text Available Tujuan penelitian ini untuk memperoleh informasi atau temuan empiris tentang meningkatkan kepercayaan diri siswa korban bullying melalui konseling individu rational emotif behavior teknik therapy homework assignment pada siswa kelas VIII A SMP Diponegoro 7 Gumelar. Populasinya adalah siswa SMP Diponegoro 7 Gumelar Kabupaten Banyumasdan sampel yang berjumlah 6 siswa menggunakan purposeive sampling. Teknik pengumpulan data menggunakan wawancara dan observasi. Teknik analisis data yang digunakan yakni analisis deskriptif persentase dan triangulasi sumber. Hasil penelitian ini menunjukan bahwa terdapat perbedaan kepercayaan diri sebelum dan sesudah treatment. Simpulan dari penelitian ini yakni konseling individu rational emotif behavior therapy teknik home work assignment dapat meningkatkan kepercayaan diri siswa korban bullying.Oleh karena itu, diharapkan guru pembimbing melakukan penanganan lebih dini jika menemukan siswa yang menjadi korban bullying agar aktifitas serta interaksi sosial mereka di sekolah tidak terganggu. Salah satu cara yang dapat digunakan adalah konseling individu pendekatan rational emotif behavior therapy dengan menggunakan teknik home work assignment. The purposeof this study is to get information or empirical finding about the increasing confidence of bullied students as the effect of individual counseling rational emotive behavior therapy technique with home-work assignment inclass VIII A Diponegoro 7 Gumelar Junior High School. Population are students in Diponegoro 7 Gumelar junior high school. Purposive sampling technique was used in this study, samples were 6 students of the class VIII A.Data collection techniquesusinginterviews and observations. Data analysis used descriptive percentage, and triangulation of sources. The result of this study showed there were differences in self-confidence before and after treatment.From this research it can be conluded thatthe individual counseling rational emotive behavior therapy
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Directory of Open Access Journals (Sweden)
Gus Riries Nahdliyatul Awaliyah
2014-06-01
Full Text Available Tujuan penelitian ini untuk memperoleh informasi atau temuan empiris tentang meningkatkan kepercayaan diri siswa korban bullying melalui konseling individu rational emotif behavior teknik therapy homework assignment pada siswa kelas VIII A SMP Diponegoro 7 Gumelar. Populasinya adalah siswa SMP Diponegoro 7 Gumelar Kabupaten Banyumasdan sampel yang berjumlah 6 siswa menggunakan purposeive sampling. Teknik pengumpulan data menggunakan wawancara dan observasi. Teknik analisis data yang digunakan yakni analisis deskriptif persentase dan triangulasi sumber. Hasil penelitian ini menunjukan bahwa terdapat perbedaan kepercayaan diri sebelum dan sesudah treatment. Simpulan dari penelitian ini yakni konseling individu rational emotif behavior therapy teknik home work assignment dapat meningkatkan kepercayaan diri siswa korban bullying.Oleh karena itu, diharapkan guru pembimbing melakukan penanganan lebih dini jika menemukan siswa yang menjadi korban bullying agar aktifitas serta interaksi sosial mereka di sekolah tidak terganggu. Salah satu cara yang dapat digunakan adalah konseling individu pendekatan rational emotif behavior therapy dengan menggunakan teknik home work assignment. The purposeof this study is to get information or empirical finding about the increasing confidence of bullied students as the effect of individual counseling rational emotive behavior therapy technique with home-work assignment inclass VIII A Diponegoro 7 Gumelar Junior High School. Population are students in Diponegoro 7 Gumelar junior high school. Purposive sampling technique was used in this study, samples were 6 students of the class VIII A.Data collection techniquesusinginterviews and observations. Data analysis used descriptive percentage, and triangulation of sources. The result of this study showed there were differences in self-confidence before and after treatment.From this research it can be conluded thatthe individual counseling rational emotive behavior therapy
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Predicting approach to homework in Primary school students.
Valle, Antonio; Pan, Irene; Regueiro, Bibiana; Suárez, Natalia; Tuero, Ellián; Nunes, Ana R
2015-01-01
The goal of this research was to study the weight of student variables related to homework (intrinsic homework motivation, perceived homework instrumentality, homework attitude, time spent on homework, and homework time management) and context (teacher feedback on homework and parental homework support) in the prediction of approaches to homework. 535 students of the last three courses of primary education participated in the study. Data were analyzed with hierarchical regression models and path analysis. The results obtained suggest that students’ homework engagement (high or low) is related to students´ level of intrinsic motivation and positive attitude towards homework. Furthermore, it was also observed that students who manage their homework time well (and not necessarily those who spend more time) are more likely to show the deepest approach to homework. Parental support and teacher feedback on homework affect student homework engagement through their effect on the levels of intrinsic homework motivation (directly), and on homework attitude, homework time management, and perceived homework instrumentality (indirectly). Data also indicated a strong and significant relationship between parental and teacher involvement.
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Langberg, Joshua M; Smith, Zoe R; Dvorsky, Melissa R; Molitor, Stephen J; Bourchtein, Elizaveta; Eddy, Laura D; Eadeh, Hana-May; Oddo, Lauren E
2017-08-31
Many students with attention-deficit/hyperactivity disorder (ADHD) exhibit deficits in motivation to pursue long-term goals. Students with ADHD have particular difficulty with motivation to complete homework-related tasks and often fail to complete assignments. Although these problems are common and may impact academic performance, no homework-motivation measures have been validated for use with students with ADHD. The primary goal of the present study was to evaluate the factor structure and predictive validity of a homework-motivation measure based upon the expectancy-value theory of achievement motivation. A sample of 285 middle school students with ADHD completed the measure, and confirmatory factor analysis was used to evaluate the proposed factor structure and associations with parent and teacher ratings of homework performance. A 2-factor structure emerged, and model fit was excellent. Further, student-rated ability-expectancy beliefs demonstrated significant associations with parent-rated homework problems and performance and with teacher-rated homework performance and percentage of assignments turned in above and beyond ADHD symptoms. Future directions for studying the importance of motivation in students with ADHD are provided, with particular attention to the role that reward sensitivity may play in motivation. (PsycINFO Database Record (c) 2017 APA, all rights reserved).
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Homework particularities for small school children.
Beiusanu, Corina; Vlaicu, Brigitha
2013-01-01
The present study was centered on the particularities of the duration of preparing homework, taking breaks during homework preparation, and the way the breaks should take place for small school children. The study has been done on a sample of 235 small school children from Oradea, 114 boys and 121 girls, between the ages 7 and 10 years old, using an anonymous questioner, with 41 items, which investigates the lifestyle of the small school children. The duration of homework preparation it is significantly more reduced for the school children in 1st grade in comparison with the ones in 3 grade (p lunch. Half of the children from grades I-IV prepare their homework with no break. A very small number of children spend their homework break time in a healthy manner, while the rest prefer to play computer games (46.95%) or to watch television (46.08%). More than half of the schoolchildren need 1-2 hours at home to prepare their homework. Most of the school children prepare their homework after lunch, in an optimal interval of time. Half of the questioned children prepare their homework with no break. Those who are taking breaks prefer activities which get the children even more tired, therefore being non-hygienic methods of spending homework breaks.
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Directory of Open Access Journals (Sweden)
Neset DEMIRCI
2006-07-01
Full Text Available The World Wide Web influences education and our lives in many ways. Nowadays, Web-based homework has been becoming widespread practice in physics courses and some other courses as well. Although are some disputes whether this is an encouraging or risky development for student learning, there is limited research assessing the pedagogical effect of changing the medium from written, hand-graded homework to online oriented, computer-graded homework. In this study, web-oriented homework system is developed to assess students’ introductory physics course performance. Later on, these results are compared with paper-based (peer homework performance for mid enrollment physics courses. One of two identical sections of introductory physics course students received paper-based, hand graded group homework while the other received the individual web-based homework. Then two groups’ on conceptual and problem-solving performance measures are compared. No significant differences were found in students’ Force Concept Inventory (FCI test scores; however, average homework performance scores were significant that could be attributed to the homework method used in favor of paper-based peer homework group.
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Motivating Students to Do Homework
Kontur, Frederick J.; Terry, Nathan B.
2014-01-01
How do you motivate students to do their homework? Some instructors make students' homework scores a significant percentage of the final course grade. In that case, how much course credit is required? Some instructors do not grade homework at all, instead relying on students' intrinsic motivation to learn the course material. Will this actually…
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Evaluating a Pre-Session Homework Exercise in a Standalone Information Literacy Class
Goetz, Joseph E.; Barber, Catherine R.
2015-01-01
In this study, researchers evaluate a homework exercise assigned before a standalone information literacy session. Students in a Master of Education program completed a worksheet using the ERIC database thesaurus. The researchers conducted pre- and posttests within a single library session to assess student learning, using a control group for…
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Exploring Homework Completion and Non-Completion in Post-Secondary Language Study
Gascoigne, Carolyn
2015-01-01
While homework is something that language professionals often assign, based on the paucity of research on the topic, it is clearly not something to which much attention is given in terms of professional discourse or research. In the following pages, the author reviews the limited available research and describes a case study that seeks to examine…
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Directory of Open Access Journals (Sweden)
Duncan Scott
2011-11-01
Full Text Available Abstract Background Most physical activity and nutrition interventions in children focus on the school setting; however, evidence suggests that children are less active and have greater access to unhealthy food at home. The aim of this pilot study was to examine the efficacy of a compulsory homework programme for increasing physical activity and healthy eating in children. Methods The six-week 'Healthy Homework' programme and complementary teaching resource was developed under the guidance of an intersectoral steering group. Eight senior classes (year levels 5-6 from two diverse Auckland primary schools were randomly assigned into intervention and control groups. A total of 97 children (57 intervention, 40 control aged 9-11 years participated in the evaluation of the intervention. Daily step counts were monitored immediately before and after the intervention using sealed multiday memory pedometers. Screen time, sports participation, active transport to and from school, and the consumption of fruits, vegetables, unhealthy foods and drinks were recorded concurrently in a 4-day food and activity diary. Results Healthy Homework resulted in a significant intervention effect of 2,830 steps.day-1 (95% CI: 560, 5,300, P = 0.013. This effect was consistent between sexes, schools, and day types (weekdays and weekend days. In addition, significant intervention effects were observed for vegetable consumption (0.83 servings.day-1, 95% CI: 0.24, 1.43, P = 0.007 and unhealthy food consumption (-0.56 servings.day-1, 95% CI: -1.05, -0.07, P = 0.027 on weekends but not weekdays, with no interactions with sex or school. Effects for all other variables were not statistically significant regardless of day type. Conclusions Compulsory health-related homework appears to be an effective approach for increasing physical activity and improving vegetable and unhealthy food consumption in children. Further research in a larger study is required to confirm these initial
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Zumalt, Caitlin J.; Williamson, Vickie M.
2016-01-01
Students in a first-semester general chemistry course at a large southwestern university completed a 3-week homework assignment using MindTap, a Cengage Learning product. MindTap is the first major electronic system that has homework questions embedded in the text, such that students read a short section of the textbook and then answer a question…
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Núñez, J. C.; Suárez, N.; Rosário, P.; Vallejo, G.; Valle, A.; Epstein, J. L.
2015-01-01
This study aims to produce a deeper understanding of the relationship between perceived parental homework involvement (i.e., parental homework control and parental homework support), student homework behaviors (i.e., time spend on homework completion, time management, and amount of homework completed), and student academic achievement. Using…
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Cipriano, Jeri S.
This book, designed for students in grades 4 to 6, provides advice to help them do homework independently and successfully. Part 1, "Developing Good Habits," presents exercises and tips on organization and time management, including a self-inventory of homework habits, assistance in goal setting, and designing a personal schedule. Part 2, "Getting…
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Academic Effort and Achievement in Science: Beyond a Gendered Relationship
Adamuti-Trache, Maria; Sweet, Robert
2013-12-01
This study employs the 2004 School Achievement Indicators Program (SAIP) data to examine whether academic effort manifested by greater investments in school and homework does result in higher literacy scores in science for Canadian students. The study compares four gender-immigrant profiles: Canadian-born males, immigrant males, Canadian-born females, and immigrant females on their scores on teacher-assigned grades in science and on the SAIP science literacy test, and across a range of dispositions, beliefs, and behaviors suggested in the literature as predictive of achievement in science. Study findings show that Canadian-born students, particularly boys, have higher performance in the science literacy test despite their lower achievement in the science classroom and the least investments of time in doing science homework. In contrast, immigrant female students demonstrate the highest academic effort and achievement in science courses which are not matched by similar results in the science literacy test. We discuss these results in relation to different socialization experiences with science and technology that limit female and immigrant students' abilities to transfer knowledge to new situations that have not been learned in the classroom.
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Homework in the Learning Process
Directory of Open Access Journals (Sweden)
Gómez Sandra M.
2000-08-01
Full Text Available A problem has been observed that creates difficulties in the normal and productive development of the English courses. Without any doubt, doing homework is very important in the learning process of a new language. Doubtless it affects the student’s active participation in the classroom and his relationship to partners and teachers. Because of this, a research project was done with the aim to finding out strategies to ensure students do homework and make it part of the learning process, erasing the image of homework as a punishment.
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A Study of the Effectiveness of Web-Based Homework in Teaching Undergraduate Business Statistics
Palocsay, Susan W.; Stevens, Scott P.
2008-01-01
Web-based homework (WBH) Technology can simplify the creation and grading of assignments as well as provide a feasible platform for assessment testing, but its effect on student learning in business statistics is unknown. This is particularly true of the latest software development of Web-based tutoring agents that dynamically evaluate individual…
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Cadaret, Caitlin N; Yates, Dustin T
2018-06-01
Studies have shown that practicing temporally spaced retrieval of previously learned information via formal assessments increases student retention of the information. Our objective was to determine the impact of online homework administered as a first retrieval practice 1 or 5 days after introduction of physiology topics on long-term information retention. Students in two undergraduate courses, Anatomy and Physiology (ASCI 240) and Animal Physiological Systems (ASCI 340), were presented with information on a specific physiological system during each weekly laboratory and then completed an online homework assignment either 1 or 5 days later. Information retention was assessed via an in-class quiz the following week and by a comprehensive final exam at semester's end (4-13 wk later). Performance on homework assignments was generally similar between groups for both courses. Information retention at 1 wk did not differ due to timing of homework in either course. In both courses, however, students who received homework 5 days after class performed better on final exam questions relevant to that week's topic compared with their day 1 counterparts. These findings indicate that the longer period between introducing physiology information in class and assigning the first retrieval practice was more beneficial to long-term information retention than the shorter period, despite seemingly equivalent benefits in the shorter term. Since information is typically forgotten over time, we speculate that the longer interval necessitates greater retrieval effort in much the same way as built-in desirable difficulties, thus allowing for stronger conceptual connections and deeper comprehension.
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Olatunji, Bunmi O; Rosenfield, David; Monzani, Benedetta; Krebs, Georgina; Heyman, Isobel; Turner, Cynthia; Isomura, Kayoko; Mataix-Cols, David
2015-12-01
The present study examined the effects of homework compliance on outcome from cognitive behavioral therapy (CBT) for children with obsessive-compulsive disorder (OCD) and the extent to which these effects differ as a function of augmentation of CBT with D-cycloserine (DCS). Twenty-seven youth with OCD were randomized to either 50 mg DCS or placebo (PBO) administered immediately after each of 10 CBT sessions, primarily consisting of exposure and ritual prevention (ERP). Independent evaluators assessed OCD severity using the Children's Yale-Brown Obsessive-Compulsive Scale (CY-BOCS) at the start of each session. Compliance with between-session ERP assignments was also assessed at the start of each session using the Patient ERP Adherence Scale (PEAS). Greater homework compliance between the previous session and the current session was related to lower CY-BOCS at the current session. However, the relation between homework compliance and CY-BOCS varied by treatment condition. Higher homework compliance was related to lower CY-BOCS for participants in the DCS condition, but not for participants in the PBO condition. Furthermore, participants receiving DCS were estimated to have significantly lower CY-BOCS than those given PBO among those with the highest levels of homework compliance. DCS may more effectively facilitate the effects of CBT for youth with OCD when patients are compliant with prescribed homework. Theoretical and clinical implications are discussed. © 2015 Wiley Periodicals, Inc.
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Towards Uncovering the Mysterious World of Math Homework
Feng, Mingyu
2014-01-01
Homework has been a mysterious world to educators due to the fact that it is hard to collect data with regard to homework behaviors. Little is known about when a student works on homework, how long it takes him to complete the homework, how much time he spends on a problem and whether and where he has struggled, etc. Such information not only have…
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A proposal for experimental homework
Rodríguez, Eduardo E.
1998-10-01
Homework in Physics courses usually deal with conceptual inquiries or numerical solution of theoretical problems. However, experimental homework is rather uncommon. I propose that certain physical situations properly simulated may be useful to encourage students to seek a solution behind the steps of the "experimental method."
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Parent Involvement in Homework: A Research Synthesis
Patall, Erika A.; Cooper, Harris; Robinson, Jorgianne Civey
2008-01-01
New emphasis is being placed on the importance of parent involvement in children's education. In a synthesis of research on the effects of parent involvement in homework, a meta-analysis of 14 studies that manipulated parent training for homework involvement reveals that training parents to be involved in their child's homework results in (a)…
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Making the Most of Going over Homework
Otten, Samuel; Cirillo, Michelle; Herbel-Eisenmann, Beth A.
2015-01-01
According to two studies of middle school and high school mathematics classrooms, 15 to 20 percent of class time tends to be spent reviewing homework (Grouws et al. 2010; Otten, Herbel-Eisenmann, and Cirillo 2012). So how can class time spent going over homework (GOHW) provide students with rich opportunities to learn from their homework? What are…
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Gamification and Web-Based Homework
Goehle, Geoff
2013-01-01
In this paper we demonstrate how video game mechanics can be used to help improve student engagement with online mathematics homework. Specifically, we integrate two common video game systems, levels and achievements, with the online homework program "WeBWorK." We describe the key features of the implementation of these systems and…
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THE ROLE AND SIGNIFICANCE OF HOMEWORK IN INITIAL MATHEMATICS TEACHING
Directory of Open Access Journals (Sweden)
Sead Rešić
2013-02-01
Full Text Available This thesis elaborates on the role and importance of homework in the initial stages of teaching mathematics. The aim is to determine and analyze the degree of burden on students with homework. The following tasks were performed as a starting point for this research: determining the degree of correlation between the time that student spends on weekly homework and the student’s homework amount determinedby the pedagogical norm, determining the level of parents’ participation in helping students with homework, etermining the degree of correlation of differentiation of homework with the students' motivation for doing homework. Homework plays an important role in the initial stages of teaching mathematics, and takes up a significant place in the process of studying and teaching mathematics. The results, analysis, and conclusions are presented upon research.
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Axelrod, Michael I.; Zhe, Elizabeth J.; Haugen, Kimberly A.; Klein, Jean A.
2009-01-01
Students with attention and behavior problems oftentimes experience difficulty finishing academic work. On-task behavior is frequently cited as a primary reason for students' failure to complete homework assignments. Researchers have identified self-monitoring and self-management of on-task behavior as effective tools for improving homework…
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Trautwein, Ulrich; Schnyder, Inge; Niggli, Alois; Neumann, Marko; Ludtke, Oliver
2009-01-01
Using a data set specifically tailored to homework research, with a sample of 1275 students from 70 classes in Switzerland, the association between homework and achievement in French as a second language was tested at three levels (class level, between-student level, and within-student level). The strength and direction of the homework-achievement…
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Jonsdottir, Anna Helga; Bjornsdottir, Audbjorg; Stefansson, Gunnar
2017-01-01
A repeated crossover experiment comparing learning among students handing in pen-and-paper homework (PPH) with students handing in web-based homework (WBH) has been conducted. The system used in the experiments, the tutor-web, has been used to deliver homework problems to thousands of students in mathematics and statistics over several years.…
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Are We Wasting Our Children's Time by Giving Them More Homework?
Eren, Ozkan; Henderson, Daniel J.
2011-01-01
Following an identification strategy that allows us to largely eliminate unobserved student and teacher traits, we examine the effect of homework on math, science, English and history test scores for eighth grade students in the United States. Noting that failure to control for these effects yields selection biases on the estimated effect of…
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Developing Self-Regulation Skills: The Important Role of Homework
Ramdass, Darshanand; Zimmerman, Barry J.
2011-01-01
The article evaluates the relationship between homework and self-regulation from the elementary grades to college. It reveals that quality measures of homework such as managing distractions, self-efficacy and perceived responsibility for learning, setting goals, self-refection, managing time, and setting a place for homework completion are more…
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Self-Regulation of Mathematics Homework Behavior: An Empirical Investigation
Xu, Jianzhong; Du, Jianxia; Fan, Xitao
2017-01-01
The authors examined self-regulation of mathematics homework behavior (i.e., mathematics homework management). The participants consisted of 796 eighth-grade students (46 classes) in China. Multilevel results showed that mathematics homework management was positively associated with value belief at the class and individual level. At the individual…
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Homework Involvement and Academic Achievement of Native and Immigrant Students.
Suárez, Natalia; Regueiro, Bibiana; Epstein, Joyce L; Piñeiro, Isabel; Díaz, Sara M; Valle, Antonio
2016-01-01
Homework is a debated issue in society and its relationship with academic achievement has been deeply studied in the last years. Nowadays, schools are multicultural stages in which students from different cultures and ethnicities work together. In this sense, the present study aims to compare homework involvement and academic achievement in a sample of native and immigrant students, as well as to study immigrant students' relationship between homework involvement and Math achievement. The sample included 1328 students, 10-16 years old from Spanish families (85.6%) or immigrant students or students of immigrant origin (14.4%) from South America, Europe, Africa, and Asia. The study was developed considering three informants: elementary and secondary students, their parents and their teachers. Results showed higher involvement in homework in native students than in immigrant. Between immigrants students, those who are more involved in homework have better academic achievement in Math at secondary grades. There weren't found gender differences on homework involvement, but age differences were reported. Immigrant students are less involved in homework at secondary grades that students in elementary grades. The study highlights the relevance of homework involvement in academic achievement in immigrant students.
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Homework in Physical Education: Benefits and Implementation
Novak, Benjamin Edward; Lynott, Francis John, III.
2015-01-01
This article identifies homework as an underutilized strategy in physical education. It reviews the benefits associated with the use of homework in the physical education setting, and provides guidelines for the effective implementation of this strategy. The guidelines include practical application examples and define structured active homework…
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Acero Mora, Mariluz; Hernández Laguna, Liliana
2012-01-01
Homework Solutions S.A.S, será una empresa de servicios dedicada a brindar asesorías de tareas y trabajos bilingües con soluciones al instante sin que los padres de familia tengan que pagar por meses o semestres. Está previsto que dicha empresa empiece operaciones en el mes de Enero de 2013. Homework Solutions S.A.S, trabajará a domicilio, en los colegios que requieran sus servicios y en su sede principal ubicada al norte de la ciudad de Bogotá.
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Wildlife forensic science: A review of genetic geographic origin assignment.
Ogden, Rob; Linacre, Adrian
2015-09-01
Wildlife forensic science has become a key means of enforcing legislation surrounding the illegal trade in protected and endangered species. A relatively new dimension to this area of forensic science is to determine the geographic origin of a seized sample. This review focuses on DNA testing, which relies on assignment of an unknown sample to its genetic population of origin. Key examples of this are the trade in timber, fish and ivory and these are used only to illustrate the large number of species for which this type of testing is potentially available. The role of mitochondrial and nuclear DNA markers is discussed, alongside a comparison of neutral markers with those exhibiting signatures of selection, which potentially offer much higher levels of assignment power to address specific questions. A review of assignment tests is presented along with detailed methods for evaluating error rates and considerations for marker selection. The availability and quality of reference data are of paramount importance to support assignment applications and ensure reliability of any conclusions drawn. The genetic methods discussed have been developed initially as investigative tools but comment is made regarding their use in courts. The potential to compliment DNA markers with elemental assays for greater assignment power is considered and finally recommendations are made for the future of this type of testing. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.
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The Effect of a Homework Grade Cap in an Introductory Finance Class
Cannonier, Colin; Chen, Dennis; Smolira, Joe
2016-01-01
The authors used data collected from various sections of principles of finance classes at a private university to examine the effect of utilizing a homework grade cap policy. The results indicate that the homework grade cap policy increased the homework scores and that an increase in homework scores improved performance of the students on exams.…
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"Why bother so incredibly much?": student perspectives on PISA science assignments
Serder, Margareta; Jakobsson, Anders
2015-09-01
Large-scale assessment, such as the Programme for International Assessment (PISA), plays an increasingly important role in current educational practice and politics. However, many scholars have questioned the validity and reliability of the tests and the extent to which they actually constitute trustworthy representations of students' knowledge. In the light of such critical voices the present article adopts a sociocultural perspective of human knowledge and action in order to explore the encounters between students and the science test assignments with which their knowledge is tested. Of particular interest in this study are the described "real-life situations" presented as the relevant background in which scientific literacy is assessed in PISA. According to the sociocultural theoretical onset the methodology used to approach the students' meaning making of the image of science as portrayed in the test were collaborative situations in which students work in small groups with units of PISA assignments, enabling a study of student-assignment encounters in action. The data we worked with consists of video-recordings from 71 Swedish 15-year-old students working with three released units from the PISA science test. According to our analysis, the "real-life situations" described in the test emerge as problematic in the students' meaning-making. This is demonstrated for instance by the students' positioning themselves as being different from and opposed to the fictional pictured students who appear in the backstories of the test. This article provides examples of how the scientific and academic language used by the fictional students in the assignments mediates distance and resistance among the students. The fictional students' use of strict scientific language and methods in day-to-day life situations leads them to be perceived as "little scientists" and as elite stereotypes of the scientific culture. We conclude that, by using assignments of this type, measurements of
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Changing Student Attitudes using Andes, An Intelligent Homework System
van de Sande, Brett; Vanlehn, Kurt; Treacy, Don; Shelby, Bob; Wintersgill, Mary
2007-03-01
The size of introductory physics lectures often inhibits personal homework assistance and timely corrective feedback. Andes, an intelligent homework help system designed for two semesters of introductory physics, can fill this need by encouraging students to use sound problem solving techniques and providing immediate feedback on each step of a solution. On request, Andes provides principles-based hints based on previous student actions. A multi-year study at the U.S. Naval Academy demonstrates that students using Andes perform better than students working the same problems as graded pencil and paper homeworks. In addition, student attitude surveys show that Andes is preferred over other homework systems. These findings have implications for student attitudes toward, and mastery of, physics. See http://www.andes.pitt.edu for more information.
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Homework Involvement among Hong Kong Primary School Students
Tam, Vicky C. W.
2009-01-01
One component of the curriculum reform in Hong Kong focuses on the use of homework in consolidating learning, deepening understanding and constructing knowledge. This study examines the profile of Hong Kong primary school students' homework involvement, and investigates the relationships between time involvement and academic attributes, namely…
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Students' Emotions during Homework: Structures, Self-Concept Antecedents, and Achievement Outcomes
Goetz, Thomas; Nett, Ulrike E.; Martiny, Sarah E.; Hall, Nathan C.; Pekrun, Reinhard; Dettmers, Swantje; Trautwein, Ulrich
2012-01-01
In the present study (N = 553; 8th and 11th grade students; 52% female) we investigated students' enjoyment, pride, anxiety, anger, and boredom while completing homework (homework emotions), and contrasted these emotions with those experienced during class (classroom emotions). Both homework emotions and classroom emotions were assessed separately…
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Homework in the Foundation Phase: Perceptions of principals of ...
African Journals Online (AJOL)
of this instructional role played by principals, determining their perceptions on homework is ... other words, teachers use it to determine whether .... was adamant that there is no disadvantage to .... supervise homework in the medium of English.
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Tas, Maarten; Forsythe, Sue
2010-01-01
The main aim of this study was to analyse and evaluate the effectiveness of support strategies being put into place for students who need to write assignments at Masters Level. In preparation for writing a 5000 word assignment on an aspect of teaching Mathematics or Science, 57 Science and Mathematics PGCE students were asked to write a 500 word synopsis which included an introduction, description of the main focus, questions that the assignment would address and possible strategies for teach...
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Andes: An intelligent homework helper
van de Sande, Brett; Vanlehn, Kurt; Treacy, Don; Shelby, Bob; Wintersgill, Mary
2007-03-01
Andes (www.andes.pitt.edu) is an intelligent tutor homework system designed for use as the homework portion of an introductory physics course. It encourages students to use good problem solving techniques and provides immediate feedback on each step of a problem solution along with hints on request. I will discuss how Andes works, from a student perspective, and present research demonstrating its effectiveness as a pedagogical tool. Then, I will discuss using Andes as a tool for conducting education research, briefly reviewing several studies conducted using Andes. Finally, I will show how logs of student solutions to Andes problems can be used to develop cognitive models of student learning.
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Grading Homework to Emphasize Problem-Solving Process Skills
Harper, Kathleen A.
2012-01-01
This article describes a grading approach that encourages students to employ particular problem-solving skills. Some strengths of this method, called "process-based grading," are that it is easy to implement, requires minimal time to grade, and can be used in conjunction with either an online homework delivery system or paper-based homework.
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Providing Feedback on Computer-Based Algebra Homework in Middle-School Classrooms
Fyfe, Emily R.
2016-01-01
Homework is transforming at a rapid rate with continuous advances in educational technology. Computer-based homework, in particular, is gaining popularity across a range of schools, with little empirical evidence on how to optimize student learning. The current aim was to test the effects of different types of feedback on computer-based homework.…
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Homework Policy and Student Choice: Findings from a Montessori Charter School
Scott, Catherine M.; Glaze, Nelda
2017-01-01
The use of homework has been a controversial topic in education for many years: what types of homework to give, how much, and how often. In previous years, Ocean Montessori School (a pseudonym), the site of this study, offered homework like that of traditional public schools, such as worksheets and rote skill practice. Feeling conflicted about the…
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Examining Associations among ADHD, Homework Behavior, and Reading Comprehension: A Twin Study
Little, Callie W.; Hart, Sara A.; Schatschneider, Christopher; Taylor, Jeanette
2016-01-01
Previous literature has indicated an important association between reading comprehension and both attention-deficit/hyperactivity disorder (ADHD) and homework habits. This investigation sought to extend previous knowledge by providing information about how ADHD and homework behavior (i.e., completing homework regularly) may jointly influence…
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Parental Involvement in Primary Children's Homework in Hong Kong
Tam, Vicky C.; Chan, Raymond M.
2009-01-01
This study draws upon an ecological perspective to examine parental involvement in homework and its relationship with primary school children's educational outcomes within the Chinese sociocultural context of Hong Kong. Data were collected using homework diaries and questionnaires administered to 1,309 pairs of students and parents spanning all…
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Directory of Open Access Journals (Sweden)
F. J. Kontur
2015-02-01
Full Text Available We examine how student aptitudes impact how much students learn from doing graded online and written homework in an introductory electricity and magnetism course. Our analysis examines the correlation between successful homework completion rates and exam performance as well as how changes in homework completion correlate with changes in exam scores for students with different physics aptitudes. On average, successfully completing many homework problems correlated to better exam scores only for students with high physics aptitude. On the other hand, all other students showed zero or even a negative correlation between successful homework completion and exam performance. Low- and medium-aptitude students who did more homework did no better and sometimes scored lower on exams than their low- and medium-aptitude peers who did less homework. Our work also shows that long-term changes in homework completion correlated to long-term changes in exam scores only for students with high physics aptitude, but not for students with medium or low aptitude. We offer several explanations for the disparity in homework learning gains, including cognitive load theory, ineffective homework strategies, and various mismatches between homework and exams. Several solutions are proposed to address these possible deficiencies in graded online and written homework.
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Kontur, F. J.; de La Harpe, K.; Terry, N. B.
2015-06-01
We examine how student aptitudes impact how much students learn from doing graded online and written homework in an introductory electricity and magnetism course. Our analysis examines the correlation between successful homework completion rates and exam performance as well as how changes in homework completion correlate with changes in exam scores for students with different physics aptitudes. On average, successfully completing many homework problems correlated to better exam scores only for students with high physics aptitude. On the other hand, all other students showed zero or even a negative correlation between successful homework completion and exam performance. Low- and medium-aptitude students who did more homework did no better and sometimes scored lower on exams than their low- and medium-aptitude peers who did less homework. Our work also shows that long-term changes in homework completion correlated to long-term changes in exam scores only for students with high physics aptitude, but not for students with medium or low aptitude. We offer several explanations for the disparity in homework learning gains, including cognitive load theory, ineffective homework strategies, and various mismatches between homework and exams. Several solutions are proposed to address these possible deficiencies in graded online and written homework.
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A Labour of Love: Mothers, Emotional Capital and Homework
Hutchison, Kirsten
2012-01-01
This paper develops a new analysis of homework by building on feminist scholarship which documents the invisible labour done by women in support of their children's education. While numerous studies have examined the relationship between homework and achievement, little attention has been paid to the largely gendered and potentially stressful…
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Connecting families and high schools through interactive homework
Pandya, Katrina
2008-10-01
The current study analyzed the effectiveness of integrating parents in the education of their children through interactive homework (IH). More specifically, the research questions of the study examined the effectiveness, feasibility, and usefulness of parental involvement in increasing academic performance within high school science classes. Using a mixed method design with a single IH treatment group, a convenience sample of 84 anatomy and biology students was assessed over a 6-week period. Although Spearman correlations failed to reveal any associations linking hours of parental IH involvement with student outcomes, related-samples t tests of pre/post student performance indicated significant increases in homework, test scores and overall grades, with greatest improvement observed in test scores. Exit questionnaires, focus groups, and interviews were coded for emergent themes that in turn were analyzed for common patterns. These qualitative data revealed positive feedback related to specific program components and a general interest for program continuation. The results indicated that it is possible to successfully incorporate parents at the high school level, even in technical subject areas. The research may be of particular interest to families and educators due to the positive scholastic effects of incorporating parents in high school academics. Social change is generated by incorporating parents into the educational process which strengthens the school-home bond and contributes to student achievement and motivation.
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Predicting Homework Time Management at the Secondary School Level: A Multilevel Analysis
Xu, Jianzhong
2010-01-01
The purpose of this study is to test empirical models of variables posited to predict homework time management at the secondary school level. Student- and class-level predictors of homework time management were analyzed in a survey of 1895 students from 111 classes. Most of the variance in homework time management occurred at the student level,…
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Homework Tips for Parents = Consejos para los padres sobre la tarea escola.
Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.
Homework has been a part of students' lives since the beginning of formal school in the United States; the push for increased homework has increased, fueled by rising academic standards. Noting that parents involved can have either a positive or a negative influence on the value of homework, this booklet, in both English and Spanish, offers…
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Homework policy review: A case study of a public school in the ...
African Journals Online (AJOL)
A key concern today is the question of homework in our nation's public schools. In this study, an investigation was conducted with the first no-homework policy, which has been introduced in one of the primary schools in the Western Cape. This study seeks to determine whether a no-homework policy will validate a positive ...
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Directory of Open Access Journals (Sweden)
Mara Landers
2013-06-01
Full Text Available This paper presents findings from an ethnographic study of the role and meaning of mathematics homework in the lives of middle school students. The study conceptualizes and examines homework as a social practice, with a focus on how students make meaning out of their experiences and the role of identity development in meaning making. Specifically, the study examines how middle school students come to value or reject mathematics homework. Case study analyses revealed two ways of characterizing students’ experiences with homework. Students who buy into homework develop aspects of their identities related to school, math and homework that support them in valuing homework. Students who check out develop aspects of their identities that support them in rejecting homework. The concepts of buying in and checking out have implications for theory development around motivation and identity and for school practices around homework.
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Web-Based Problem-Solving Assignment and Grading System
Brereton, Giles; Rosenberg, Ronald
2014-11-01
In engineering courses with very specific learning objectives, such as fluid mechanics and thermodynamics, it is conventional to reinforce concepts and principles with problem-solving assignments and to measure success in problem solving as an indicator of student achievement. While the modern-day ease of copying and searching for online solutions can undermine the value of traditional assignments, web-based technologies also provide opportunities to generate individualized well-posed problems with an infinite number of different combinations of initial/final/boundary conditions, so that the probability of any two students being assigned identical problems in a course is vanishingly small. Such problems can be designed and programmed to be: single or multiple-step, self-grading, allow students single or multiple attempts; provide feedback when incorrect; selectable according to difficulty; incorporated within gaming packages; etc. In this talk, we discuss the use of a homework/exam generating program of this kind in a single-semester course, within a web-based client-server system that ensures secure operation.
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School Homework and its Relationship with Student Academic Achievement in Malaysia
F. P.; Chew; M. H.; Teong; Z. Ishak
2012-01-01
School homework has been synonymous with students- life in Chinese national type primary schools in Malaysia. Although many reports in the press claimed that students were burdened with too much of it, homework continues to be a common practice in national type schools that is believed to contribute to academic achievement. This study is conducted to identify the relationship between the burden of school homework and academic achievement among pupils in Chinese National Type Primary School in...
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One Method for Inhibiting the Copying of Online Homework
Busch, Hauke
2017-01-01
Over the last several years online homework solutions have become ever more accessible to students. This is due in part to programs like Yahoo Answers, Chegg, publisher solution manuals, and other web resources that are readily available online. The student can easily search any physics homework problem posted on the web in a matter of seconds and…
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Mastery-style homework exercises in introductory physics courses: Implementation matters
Gutmann, Brianne; Gladding, Gary; Lundsgaard, Morten; Stelzer, Timothy
2018-06-01
Encouraged by positive clinical results at the University of Illinois, mastery-style homework was integrated into a large semester-long preparatory physics course via an online homework system that used narrated animated video solutions as correctives. This paper discusses the impact and evolution of the homework in its first two years. The first iteration revealed that students were frustrated and did not engage with the system in an effective way. Intending to reduce that frustration and quell negative behavior, the mastery requirement was relaxed, transfer between versions was reduced, and the addition of a direct discussion with students about the homework were implemented in its second year. The results showed that details of implementation can substantially affect students' behavior; large and statistically significant effects were observed as a reduction in frustration (with self-identified "frustrated" students dropping from 60% in 2014 to 30% in 2015) and improvement in performance (average student mastery rate of 59% to 69%).
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Online plagiarism training falls short in biology classrooms.
Holt, Emily A; Fagerheim, Britt; Durham, Susan
2014-01-01
Online plagiarism tutorials are increasingly popular in higher education, as faculty and staff try to curb the plagiarism epidemic. Yet no research has validated the efficacy of such tools in minimizing plagiarism in the sciences. Our study compared three plagiarism-avoidance training regimens (i.e., no training, online tutorial, or homework assignment) and their impacts on students' ability to accurately discriminate plagiarism from text that is properly quoted, paraphrased, and attributed. Using pre- and postsurveys of 173 undergraduate students in three general ecology courses, we found that students given the homework assignment had far greater success in identifying plagiarism or the lack thereof compared with students given no training. In general, students trained with the homework assignment more successfully identified plagiarism than did students trained with the online tutorial. We also found that the summative assessment associated with the plagiarism-avoidance training formats (i.e., homework grade and online tutorial assessment score) did not correlate with student improvement on surveys through time.
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Online Plagiarism Training Falls Short in Biology Classrooms
Holt, Emily A.; Fagerheim, Britt; Durham, Susan
2014-01-01
Online plagiarism tutorials are increasingly popular in higher education, as faculty and staff try to curb the plagiarism epidemic. Yet no research has validated the efficacy of such tools in minimizing plagiarism in the sciences. Our study compared three plagiarism-avoidance training regimens (i.e., no training, online tutorial, or homework assignment) and their impacts on students’ ability to accurately discriminate plagiarism from text that is properly quoted, paraphrased, and attributed. Using pre- and postsurveys of 173 undergraduate students in three general ecology courses, we found that students given the homework assignment had far greater success in identifying plagiarism or the lack thereof compared with students given no training. In general, students trained with the homework assignment more successfully identified plagiarism than did students trained with the online tutorial. We also found that the summative assessment associated with the plagiarism-avoidance training formats (i.e., homework grade and online tutorial assessment score) did not correlate with student improvement on surveys through time. PMID:24591507
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Grams, Michael
2011-01-01
In a recent "TPT" article, I wrote about a website called "Cramster" (www.cramster.com), which provides students with solutions to homework problems from many textbooks in math and science. I proposed the following question: Could giving students the answers to their assigned homework problems be an effective way of teaching them physics? This…
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Does homework behavior mediate the relation between personality and academic performance?
Lubbers, Miranda J.; Van der Werf, Margaretha P. C.; Kuyper, Hans; Hendriks, A. A. Jolijn
Past research has consistently shown that there is a relation between personality and academic performance, but much less work has focused on explaining this relation. The present study examined whether three aspects of homework behavior, namely homework time, procrastination, and learning
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Li, Shenghui; Yang, Qian; Chen, Zhe; Jin, Xingming; Jiang, Fan; Shen, Xiaoming
2014-09-03
This study was designed to examine the hypothesis that homework schedule has adverse impacts on Chinese children's sleep-wake habits and sleep duration. A random sample of 19,299 children aged 5.08 to 11.99 years old participated in a large, cross-sectional survey. A parent-administered questionnaire was completed to quantify children's homework schedule and sleep behaviors. Generally, it was demonstrated that more homework schedule was significantly associated with later bedtime, later wake time, and shorter sleep duration. Among all sleep variables, bedtime and sleep duration during weekdays appeared to be most affected by homework schedule, especially homework schedule during weekdays.
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The Impact of Using Randomized Homework Values on Student Learning
Berardi, Victor
2011-01-01
Much of the recent research on homework focuses on using online, web-based, or computerized homework systems. These systems have many reported capabilities and benefits, including the ability to randomize values, which enables multiple attempts by a student or to reduce academic dishonesty. This study reports on the impact of using randomized…
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Teaching science through video games
Smaldone, Ronald A.; Thompson, Christina M.; Evans, Monica; Voit, Walter
2017-02-01
Imagine a class without lessons, tests and homework, but with missions, quests and teamwork. Video games offer an attractive educational platform because they are designed to be fun and engaging, as opposed to traditional approaches to teaching through lectures and assignments.
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The Effects of Clickers and Online Homework on Students' Achievement in General Chemistry
Gebru, Misganaw T.
2012-01-01
Retention of an introductory general chemistry course material is vital for student success in future chemistry and chemistry-related courses. This study investigated the effects of clickers versus online homework on students' long-term content retention, examined the effectiveness of online homework versus no graded homework on…
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Middle School Teachers' Perceptions Regarding the Motivation and Effectiveness of Homework
Snead, Donald; Burris, Kathleen G.
2016-01-01
The purpose of this study was to understand middle school teachers' perspectives on the role of homework. Approximately 118 middle school teachers volunteered to complete open-ended surveys describing their perceptions regarding the effectiveness of homework. Qualitative analysis revealed teachers identified several instructional and…
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Richards-Babb, Michelle; Curtis, Reagan; Georgieva, Zomitsa; Penn, John H
2015-11-10
Use of online homework as a formative assessment tool for organic chemistry coursework was examined. Student perceptions of online homework in terms of (i) its ranking relative to other course aspects, (ii) their learning of organic chemistry, and (iii) whether it improved their study habits and how students used it as a learning tool were investigated. Our students perceived the online homework as one of the more useful course aspects for learning organic chemistry content. We found a moderate and statistically significant correlation between online homework performance and final grade. Gender as a variable was ruled out since significant gender differences in overall attitude toward online homework use and course success rates were not found. Our students expressed relatively positive attitudes toward use of online homework with a majority indicating improved study habits (e.g., study in a more consistent manner). Our students used a variety of resources to remediate incorrect responses (e.g., class materials, general online materials, and help from others). However, 39% of our students admitted to guessing at times, instead of working to remediate incorrect responses. In large enrollment organic chemistry courses, online homework may act to bridge the student-instructor gap by providing students with a supportive mechanism for regulated learning of content.
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Measuring Students’ Attitudes Towards Social Studies Homeworks: Developing an Attitude scale
Directory of Open Access Journals (Sweden)
Erkan DİNÇ
2012-05-01
Full Text Available Learning includes what a student obtains from the school, home and the other social environments. While preparing a learning task, most teachers aim to formulate their problems modelled from the real life situations. However, most of the times they end up with those isolated and distant problem-situations, because they also feel themselves obliged to present students plain and comprehensible tasks. As a result, a disconnection between school learning and real life situation occurs. One aim of giving students homeworks is to build a bridge between home and school, which will make it easier for students to transfer their school learning to the real life situations. Homeworks play important roles in fulfillig the purpose of the learning processes. In other words, homeworks assist teachers in teaching of accesing information resources, thinking meaningully and doing reserach, developing causation and problem solving skills and updating their subject knowledge-information. Homeworks also help students to improve their communicative and entrepreneurial capacities.
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Does Homework Behavior Mediate the Relation between Personality and Academic Performance?
Lubbers, Miranda J.; Van Der Werf, Margaretha P. C.; Kuyper, Hans; Hendriks, A. A. Jolijn
2010-01-01
Past research has consistently shown that there is a relation between personality and academic performance, but much less work has focused on explaining this relation. The present study examined whether three aspects of homework behavior, namely homework time, procrastination, and learning strategies, mediate the relation between personality and…
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The Impact of Color-Coding Freshmen Integrated-Science Assignments on Student Achievement
Sturdivant Allen, Anita Kay
Students in Grade 9 exhibit high rates of grade retention and absenteeism. Educators have used different strategies that will increase the achievement of those students. The purpose of this study was to determine whether a relationship existed between student achievement and the strategy to use colored paper for Grade 9 science assignments and tests. Itten's color theory provided the theoretical framework. Itten was one of the first researchers to explore the notion that the human eye can detect wavelengths as colors and that those colors can engage and create order in the human brain. A sample of students assigned to 4 classroom teachers at one high school who volunteered to take part in the study for 18 weeks were used in this quantitative study. Teachers administered student assessments on blue, green, yellow, and white paper. Each class was assigned 1 of the 4 colors for 4.5 weeks. The classes were then assigned a different color for the same length of time until each class had exposure to all 4 colors. Physical science exams given to students in the same grade or subject were used as the dependent variable. An ANOVA indicated that the groups using blue paper scored the highest on the physical science exams; students who used white paper earned the lowest scores. When comparing all 3 groups using colored paper (all three colored paper groups combined into one group) to the white paper groups, t-test results indicated that students using any colored paper scored higher than students using white paper. Further research on the impact of colored paper on student academic performance is necessary. Implications for positive social change indicate that new knowledge about instructional tools that impact student achievement deserves more attention.
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F. J. Kontur; K. de La Harpe; N. B. Terry
2015-01-01
We examine how student aptitudes impact how much students learn from doing graded online and written homework in an introductory electricity and magnetism course. Our analysis examines the correlation between successful homework completion rates and exam performance as well as how changes in homework completion correlate with changes in exam scores for students with different physics aptitudes. On average, successfully completing many homework problems correlated to better exam scores only fo...
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Mastery Based Homework in Introductory Physics at the University of Illinois
Stelzer, Tim; Gutmann, Brianne; Gladding, Gary; Lundsgaard, Morten; Schroeder, Noah
2017-01-01
The successful implementation of mastery-style online homework into our preparatory mechanics course has been a long-term project, currently in its second year. By requiring students to perfect a single unit of defined competencies before moving on to its successive unit (with intervening narrated animated solutions for instructional support), this homework delivery method replaced traditional immediate feedback online homework for the class of about 500 students. After the first year of data collection and analysis, significant revisions were made to the system's delivery, content, and messaging. The impact of these changes and second year data will be presented, as well as data from implementation in our introductory electricity and magnetism course. NSF DUE 16-08002.
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Homework Policy Review: A Case Study of A Public School in the Western Cape Province
Pfeiffer, Verbra
2018-01-01
A key concern today is the question of homework in our nation's public schools. In this study, an investigation was conducted with the first no-homework policy, which has been introduced in one of the primary schools in the Western Cape. This study seeks to determine whether a no-homework policy will validate a positive or negative effect on…
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Using Web-Based Homework to Teach Principles of Microeconomics: A Preliminary Investigation
Mitchell, Jeannette C.; Mitchell, Johanna E.
2017-01-01
This study evaluates an interactive web-based homework designed to increase student understanding in a principles of microeconomics course. Employing concepts from Action Research, the preliminary investigation was undertaken based on assumptions about the efficacy of online educational resources. Do students who do well on online homework improve…
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The Relationship between Homework and Performance in an Introductory Operations Management Course.
Peters, Michael; Kethley, Bryan; Bullington, Kimball
2002-01-01
Homework of 142 students in an operations management was graded and performance on a multiple-choice test was compared to that of 188 without graded homework. The treatment group had lower overall scores. Grading did not affect performance on quantitative questions but had a significant effect on nonquantitative questions. (SK)
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Kontur, F.?J.; de La Harpe, K.; Terry, N.?B.
2015-01-01
We examine how student aptitudes impact how much students learn from doing graded online and written homework in an introductory electricity and magnetism course. Our analysis examines the correlation between successful homework completion rates and exam performance as well as how changes in homework completion correlate with changes in exam…
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Douglass, Robert Hurey
2011-01-01
Web Based Homework (WBH) effectiveness in increasing learning outcomes in Elementary Algebra students is analyzed. The analysis is accomplished through a comparison of the student final exam scores between students who completed the course using paper and pencil homework (PPH) and those students using web based homework (WBH). The purpose of the…
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The Role of Online Homework in Low-Enrollment College Introductory Physics Courses
Lazarova, Krassi
2015-01-01
Studying physics for nonphysics majors at college level is usually a process of learning new problem-solving skills and sometimes seems a frustrating experience. In an attempt to provide students with more learning resources, online homework was required to supplement the instruction. This study reveals the role of the online homework assignments…
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Andes: An Intelligent Homework System for Introductory Physics
van de Sande, Brett; VanLehn, K.; Hausmann, R.; Treacy, D.; Shelby, R.
2006-12-01
We know that students benefit from solving homework problems under the guidance of an expert (human) tutor. The Andes system (http://www.andes.pitt.edu) is designed for students to solve homework problems under the guidance of an expert computer tutor. Andes encourages students to use sound problem solving techniques and provides immediate right/wrong feedback on each step of a solution. On request, Andes also provides hints based on previous student actions. I will discuss how Andes works, from a student's perspective, and summarize research that demonstrates its effectiveness as a pedagogical tool. I will also discuss how Andes can function as a tool for conducting educational research, presenting an investigation of students' hint usage as an example.
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Gelmez Burakgazi, Sevinc; Yildirim, Ali; Weeth Feinstein, Noah
2016-04-01
Rooted in science education and science communication studies, this study examines 4th and 5th grade students' perceptions of science information sources (SIS) and their use in communicating science to students. It combines situated learning theory with uses and gratifications theory in a qualitative phenomenological analysis. Data were gathered through classroom observations and interviews in four Turkish elementary schools. Focus group interviews with 47 students and individual interviews with 17 teachers and 10 parents were conducted. Participants identified a wide range of SIS, including TV, magazines, newspapers, internet, peers, teachers, families, science centers/museums, science exhibitions, textbooks, science books, and science camps. Students reported using various SIS in school-based and non-school contexts to satisfy their cognitive, affective, personal, and social integrative needs. SIS were used for science courses, homework/project assignments, examination/test preparations, and individual science-related research. Students assessed SIS in terms of the perceived accessibility of the sources, the quality of the content, and the content presentation. In particular, some sources such as teachers, families, TV, science magazines, textbooks, and science centers/museums ("directive sources") predictably led students to other sources such as teachers, families, internet, and science books ("directed sources"). A small number of sources crossed context boundaries, being useful in both school and out. Results shed light on the connection between science education and science communication in terms of promoting science learning.
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Rudman, Nicholas Paul Charles
2014-01-01
Homework in the primary school is a subject much debated by teachers, parents and pupils. This paper offers a brief critique of key issues in the current homework debate with particular reference to research literature, theoretical perspectives, educational policy and other professional publications. Consequently, a discourse between homework in…
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Connecting Psychological Science with Climate Change: A Persuasion and Social Influence Assignment
Munro, Geoffrey D.; Behlen, Margaret M.
2017-01-01
Students often have little understanding of the role psychological science plays in informing us about the impact of human behavior when addressing climate change. We designed an assignment for a social psychology course based on Frantz and Mayer's use of the decision tree model of helping behavior to identify the psychological barriers that…
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Evans, William R.; Selen, Mats A.
2017-12-01
Homework in introductory physics represents an important part of a student's learning experience; therefore, choosing the manner in which homework is presented merits investigation. We performed three rounds of clinical trials comparing the effects of mastery-style homework vs traditional-style homework with students in both algebra-based and calculus-based introductory mechanics. Results indicate a benefit from mastery-style over traditional-style homework, principally for weaker students who are less familiar with the material being covered and on questions that are nearer transfer to the study materials.
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Miller, Diane M.; Chengelis Czegan, Demetra A.
2016-01-01
This paper describes assignments that have been implemented in a General Chemistry I course to promote science literacy. This course was chosen in particular because it reaches a broad audience, which includes nonscience majors. The assignment series begins with several discussions and tasks to develop information literacy, in which students find…
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Alfonsson, Sven; Johansson, Karin; Uddling, Jonas; Hursti, Timo
2017-01-26
Adherence to treatment homework is associated with positive outcomes in behavioral psychotherapy but compliance to assignments is still often moderate. Whether adherence can be predicted by different types of motivation for the task and whether motivation plays different roles in face-to-face compared to online psychotherapy is unknown. If models of motivation, such as Self-determination theory, can be used to predict patients' behavior, it may facilitate further research into homework promotion. The aims of this study were, therefore, to investigate whether motivation variables could predict adherence to a prescribed assignment in face-to-face and online interventions using a psychotherapy analog model. A total of 100 participants were included in this study and randomized to either a face-to-face or online intervention. Participants in both groups received a psychoeducation session and were given an assignment for the subsequent week. The main outcome measurements were self-reported motivation and adherence to the assignment. Participant in the face-to-face condition reported significantly higher levels of motivation and showed higher levels of adherence compared to participants in the online condition. Adherence to the assignment was positively associated with intrinsic motivation and intervention credibility in the whole sample and especially in the online group. This study shows that intrinsic motivation and intervention credibility are strong predictors of adherence to assignments, especially in online interventions. The results indicate that intrinsic motivation may be partly substituted with face-to-face contact with a therapist. It may also be possible to identify patients with low motivation in online interventions who are at risk of dropping out. Methods for making online interventions more intrinsically motivating without increasing external pressure are needed. clinicaltrials.gov NCT02895308 . Retrospectively registered 30 August 2016.
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Homework in Different Types of Schools.
Easton, John Q.; Bennett, Albert
This study found major differences among types of Chicago (Illinois) elementary schools in the amount and time that sixth grade students spent on homework, and that differences were related to the income level and prior student achievement in those schools. Ten magnet schools, 10 integrated schools and 10 primarily minority schools were chosen for…
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The Effect of Distributed Practice in Undergraduate Statistics Homework Sets: A Randomized Trial
Crissinger, Bryan R.
2015-01-01
Most homework sets in statistics courses are constructed so that students concentrate or "mass" their practice on a certain topic in one problem set. Distributed practice homework sets include review problems in each set so that practice on a topic is distributed across problem sets. There is a body of research that points to the…
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El-Sabban, Farouk
2008-06-01
Stimulating the interest of students in biological sciences necessitates the use of new teaching methods and motivating approaches. The idea of the self-expression assignment (SEA) has evolved from the prevalent environment at the College for Women of Kuwait University (Safat, State of Kuwait), a newly established college where the number of students is low and where students have varied backgrounds and interests and are being instructed biological sciences in English for the first time. This SEA requires each student to choose a topic among a long list of topics and interact with it in any way to produce a finished product without the interference of the course instructor. Students are told that the SEA will be graded based on their commitment, creative thinking, innovation in developing the idea, and finishing up of the chosen assignment. The SEA has been implemented in three introductory courses, namely, Biology, Introduction to Human Nutrition and Food Science, and The Human Body. Many interesting projects resulted from the SEA, and, based on an administered survey, students assessed this assignment very favorably. Students expressed their pleasure of experiencing freedom in choosing their own topics, interacting with such topics, learning more about them, and finishing up their projects. Students appreciated this type of exposure to biological sciences and expressed that such an experience enhanced their interest in such sciences.
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The Theory of Planned Behaviour as a Framework for Understanding Parental Experiences with Homework
McGregor, Sharon A.; Knoll, Monja A.
2015-01-01
Research into parental homework-related experiences has predominantly focused on parental attitudes to homework. This research has shown that parental attitudes can affect the formation of attitudes in children and subsequently their academic success. Most research has focused on a secondary school context, but there is still a lack of knowledge…
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An, Shuhua; Wu, Zhonghe
2012-01-01
This study focuses on teacher learning of student thinking through grading homework, assessing and analyzing misconceptions. The data were collected from 10 teachers at fifth-eighth grade levels in the USA. The results show that assessing and analyzing misconceptions from grading homework is an important approach to acquiring knowledge of…
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Endedijk, Hinke; Denessen, Eddie; Hendriks, Angelique W.
2011-01-01
Despite the fact that homework forms an important cornerstone of student development, many students fail to capitalize on the long-term benefits of doing homework. Several executive skills, including cognitive flexibility, monitoring and planning are suggested as prerequisites for the completion of homework. It follows that homework difficulties…
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Student Perceptions of Online Homework Use for Formative Assessment of Learning in Organic Chemistry
Richards-Babb, Michelle; Curtis, Reagan; Georgieva, Zornitsa; Penn, John H.
2015-01-01
Use of online homework as a formative assessment tool for organic chemistry coursework was examined. Student perceptions of online homework in terms of (i) its ranking relative to other course aspects, (ii) their learning of organic chemistry, and (iii) whether it improved their study habits and how students used it as a learning tool were…
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Bridging the Great Homework Divide: A Solutions Guide for Parents of Middle School Students
National Education Association Research Department, 2006
2006-01-01
In a recent survey, parents and middle school students reported that they are challenged by the demands of homework. Responses to the survey, titled "The Great Homework Divide," indicate that students and their parents are struggling to adjust to the middle school workload, which can be both heavier and more varied than previously experienced by…
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Smith, Caitlin; Huey, Stanley J; McDaniel, Dawn D
2015-05-01
Research with substance-abusing samples suggests that eliciting commitment language during treatment may improve motivation to change, increase treatment engagement, and promote positive treatment outcomes. However, the relationship between in-session client language and treatment success is not well-understood for youth offender populations. This study evaluated the relationship between commitment language, treatment engagement (i.e., homework completion), and weekly employment outcomes for six gang-affiliated juvenile offenders participating in an employment counseling intervention. Weekly counseling sessions were audio-recorded, transcribed, and coded for commitment language strength. Multilevel models were fit to the data to examine the relationship between commitment language and counseling homework or employment outcomes within participants over time. Commitment language strength predicted subsequent homework completion but not weekly employment. These findings imply that gang-affiliated delinquent youth who express motivation to change during employment counseling will be more likely to comply with counselor-initiated homework. Further research on counselor techniques for promoting commitment language among juvenile gang offenders is needed. © The Author(s) 2013.
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Doing homework and consolidating mathematical knowledge in the after-school care class
Mlinar, Klara
2016-01-01
Extended stay is a form of educational care, which is attended by students voluntarily or. depending on the decision of their parents, when school lessons end. Teachers, school management and parents, attach a different value to the role of the extended stay. Some think that the extended stay is meant only for eating lunch, doing homework and entertainment. Extended stay can be much more than that. How to organize quality time and activities, how to motivate pupils to write homework, how to ...
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Pennsylvania State Dept. of Education, Harrisburg.
For homework to be effective, a clear, written policy should be developed that considers local needs, sound educational theories, and current research. This handbook is intended to assist school districts, particularly in Pennsylvania, in planning, developing, and implementing homework policies and guidelines. The booklet first briefly reviews the…
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A Comparison of Web-Based and Paper-and-Pencil Homework on Student Performance in College Algebra
Hauk, Shandy; Powers, Robert A.; Segalla, Angelo
2015-01-01
College algebra fulfills general education requirements at many colleges in the United States. The study reported here investigated differences in mathematics achievement between undergraduates in college algebra classes using one of two homework methods: "WeBWorK," an open-source system for web-based homework, or traditional…
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Moè, Angelica; Katz, Idit; Alesi, Marianna
2018-06-01
Based on the principles of scaffolding for motivation and on the assumptions of self-determination theory, two studies aimed to assess the role played by perceived parental autonomy-supportive scaffolding on child homework autonomous motivation, self-efficacy, affect, and engagement. The results of Study 1, which involved 122 parents and their children, showed that the higher the parental autonomous motivation, the more their children perceived them as autonomy-supportive while scaffolding for motivation, and hence developed autonomous motivation, self-efficacy, and engagement in homework. In Study 2, 37 parents were involved in a four-session training programme that focused on sustaining autonomy-supportive scaffolding modalities. The training decreased parental negative affect, prevented child negative affect increase, and maintained child homework motivation. The discussion focuses on the strength that parents have with regard to helping their children develop less negative, and potentially also more positive attitude towards homework, through autonomy support as a scaffold for motivation. © 2018 The British Psychological Society.
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Hara, Kimberley M; Aviram, Adi; Constantino, Michael J; Westra, Henny A; Antony, Martin M
2017-09-01
Although client-perceived therapist empathy relates to positive therapy outcomes, including in cognitive behavioral therapy (CBT), little is known about how empathy exerts its ameliorative effect. One possible way is by promoting clients' subsequent homework compliance, a variable that also predicts positive outcomes in CBT. The present study sought to investigate simultaneously, in the context of 43 therapist-client dyads receiving 15 sessions of CBT for generalized anxiety disorder, (1) the association of early client-perceived therapist empathy (averaged over sessions 1, 3, 5) with mid-treatment client homework compliance (averaged over sessions 6, 8, 10); (2) the association of mid-treatment homework compliance on client posttreatment worry severity; and (3) the indirect effect of early perceived therapist empathy on posttreatment worry through mid-treatment homework compliance. Given that clients were nested within therapists, we examined both within- and between-therapist differences in clients' ratings of therapist empathy and homework compliance, and tested both of these indices as predictors of the relevant dependent variables in a multilevel model. At the within-therapist level (i.e., differences between clients within a given therapist's caseload), greater early empathy was associated with greater mid-treatment homework compliance. At the between-therapist level (i.e., differences between therapists across all of their cases), greater between-therapist homework compliance was related to lower posttreatment worry. Finally, homework compliance was not found to mediate the relationship between empathy and posttreatment outcome. The results underscore the importance of parsing client and therapist effects, and are discussed with regard to their training and research implications.
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Emotion Regulation in Mathematics Homework: An Empirical Study
Xu, Jianzhong
2018-01-01
The author examined 2 distinctive aspects of emotion regulation in mathematics homework, including emotion management and cognitive reappraisal. Participants were 1,799 high school students from 46 classes in China. Two multilevel models were run, 1 with emotion management and another with cognitive reappraisal as the dependent variable. Both…
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The Goldilocks Dilemma: Homework Policy Creating a Culture Where Simply Good Is Just Not Good Enough
Watkins, Paul J.; Stevens, David W.
2013-01-01
Throughout the decades of educational reform cycles, the value of homework has proven either meaningful or meaningless depending on the reforming framework. Questions about homework as simply busy work or knowledge work, mere content distraction or content extension, ambivalence toward importance, or discipline of character all cloud any…
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Homework: Too Much, Too Little? Research Brief
Walker, Karen
2007-01-01
What is homework? What value and benefit does it have for students? Some common perceptions from the students' perspective is that it is busy work, it takes away from other activities (i.e. sports, clubs, hanging out with friends, jobs, etc.), and/or it prevents them from getting as much sleep as they would like. From the teachers' perspective: it…
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Gonida, Eleftheria N; Cortina, Kai S
2014-09-01
Parental involvement in homework is a home-based type of involvement in children's education. Research and theory suggest that it is beneficial for learning and achievement under certain conditions and for particular groups of individuals. The study examined whether different types of parents' involvement in homework (autonomy support, control, interference, cognitive engagement) (1) are predicted by their mastery and performance goals for their child and their beliefs of the child's academic efficacy, and (2) predict student achievement goal orientations, efficacy beliefs, and achievement. Grade-level differences were also investigated. The sample consisted of 282 elementary school (5th grade) and junior high school students (8th grade) and one of their parents. Surveys were used for data collection. Structural equation modelling was applied for data analysis. (1) Autonomy support during homework was predicted by parent mastery goal, parents' control and interference by their performance goal and perceptions of child efficacy, and cognitive engagement as supplementary to homework by parent perceptions of child efficacy. (2) Parental autonomy support, control, and interference were differentially associated with student mastery and performance goal orientations, whereas parent cognitive engagement was associated with student efficacy beliefs. (3) The structural model was the same for elementary and junior high school students but the latent means for a number of variables were different. Different types of parental involvement in homework were associated with different outcomes with parent autonomy support to be the most beneficial one. © 2014 The British Psychological Society.
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The Impact of Gamification in Web Based Homework
Goehle, Geoff; Wagaman, John
2016-01-01
This paper concerns the impact and reception of gamification elements that were added to the online homework system "WeBWorK." After performing two studies, we found that the students felt that the gamification system rewarded them for their effort. However, we did not find any indication that gamification elements improved student…
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Hein, Dawn L.; Wimer, Sandra L.
2007-01-01
An action research project report was complete to discuss how homework completion and motivation is an ongoing issue and debate within the public schools. This is especially true in the middle school setting. The teacher researchers of this project chose to conduct a study in order to increase homework completion and motivation of middle school…
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Nagengast, Benjamin; Trautwein, Ulrich; Kelava, Augustin; Lüdtke, Oliver
2013-05-01
Historically, expectancy-value models of motivation assumed a synergistic relation between expectancy and value: motivation is high only when both expectancy and value are high. Motivational processes were studied from a within-person perspective, with expectancies and values being assessed or experimentally manipulated across multiple domains and the focus being placed on intraindividual differences. In contrast, contemporary expectancy-value models in educational psychology concentrate almost exclusively on linear effects of expectancy and value on motivational outcomes, with a focus on between-person differences. Recent advances in latent variable methodology allow both issues to be addressed in observational studies. Using the expectancy-value model of homework motivation as a theoretical framework, this study estimated multilevel structural equation models with latent interactions in a sample of 511 secondary school students and found synergistic effects between domain-specific homework expectancy and homework value in predicting homework engagement in 6 subjects. This approach not only brings the "×" back into expectancy-value theory but also reestablishes the within-person perspective as the appropriate level of analysis for latent expectancy-value models.
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Nornoo, Adwoa O; Jackson, Jonathan; Axtell, Samantha
2017-03-25
Objective. To determine whether there is a correlation between pharmacy students' scores on the Health Science Reasoning Test (HSRT) and their grade on a package insert assignment designed to assess critical thinking. Methods. The HSRT was administered to first-year pharmacy students during a critical-thinking course in the spring semester. In the same semester, a required package insert assignment was completed in a pharmacokinetics course. To determine whether there was a relationship between HSRT scores and grades on the assignment, a Spearman's rho correlation test was performed. Results. A very weak but significant positive correlation was found between students' grades on the assignment and their overall HSRT score (r=0.19, p critical-thinking skills in pharmacy students.
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The Effects of Online Homework on Achievement and Self-efficacy of College Algebra Students
Brewer, David Shane
2009-01-01
This study compared the effectiveness, in terms of mathematical achievement and mathematics self-efficacy, of online homework to textbook homework over an entire semester for 145 students enrolled in multiple sections of college algebra at a large community college. A quasi-experimental, posttest design was used to analyze the effect on mathematical achievement, as measured by a final exam. A pretest-posttest design was used to analyze the effect on mathematics self-efficacy, as measured by t...
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Nanney, Marilyn S.; Olaleye, Temitope M.; Wang, Qi
2012-01-01
Background: This study tested the feasibility and acceptability of adding a reimbursable snack that meets the Institute of Medicine nutrition recommendations to an afterschool homework program for middle school students. Methods: Snack menu was developed and administered to students attending an afterschool homework program over 12 weeks. In…
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Sabrina Wulff Pabilonia; Charlene Marie Kalenkoski
2009-01-01
Recent research suggests that working while in high school reduces the amount of time students spend doing homework. However, an additional hour of work leads to a reduction in homework by much less than one hour, suggesting a reduction in other activities. This paper uses data from the 2003-2007 American Time Use Surveys (ATUS) to investigate the effects of market work on the time students spend on homework, sleeping, household work, and screen time. Results show that an increase in paid wor...
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Resolving Struggling Readers' Homework Difficulties: A Social Cognitive Perspective
Margolis, Howard; Mccabe, Patrick
2004-01-01
Struggling readers often fail to complete homework or complete it in a slipshod, haphazard fashion. Often, this adversely affects grades, erodes motivation for academics, and causes conflict between readers, parents, and school personnel. To help teachers and educational consultants (e.g., reading specialists, school psychologists) help struggling…
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"Most Won't Do It!" Examining Homework as a Structure for Learning in a Diverse Middle School
Bennett, Cory A.
2017-01-01
Much attention is placed on helping students develop as complex and creative thinkers, yet many classrooms continue to use learning structures without examining their effectiveness. This is often the case with homework. Research findings on the effectiveness of homework are mixed, and few studies have examined students' and educators' perspectives…
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Teaching Citizenship in Science Classes at the University of Arizona
Thompson, R. M.; Mangin, K.
2008-12-01
Science classes for non-science majors present unique opportunities to create lifelong science aficionados and teach citizenship skills. Because no specific content is needed for future courses, subject matter can be selected to maximize interest and assignments can be focused on life skills such as science literacy instead of discipline-specific content mastery. Dinosaurs! is a very successful non-major science class with a minimum enrollment of 150 that is intended for sophomores. One of the goals of this class is to increase students' awareness of social issues, the political process, and opportunities for keeping up with science later in life. The main theme of this class is evolution. The bird-dinosaur link is the perfect vehicle for illustrating the process of science because the lines of evidence are many, convincing, and based on discoveries made throughout the last half-century and continuing to the present day. The course is also about evolution the social issue. The second writing assignment is an in-class affective writing based on a newspaper article about the Dover, PA court case. The primary purpose of this assignment is to create a comfort zone for those students with strong ideological biases against evolution by allowing them to express their views without being judged, and to instill tolerance and understanding in students at the other end of the spectrum. Another homework uses thomas.loc.gov, the government's public website providing information about all legislation introduced since the 93rd Congress and much more. The assignment highlights the difficulty of passing legislation and the factors that contribute to a given bill's legislative success or failure using the Paleontological Resources Preservation Act, S320. Details of these assignments and others designed to achieve the goals stated above will be presented. A very different undergraduate program, Marine Discovery, offers science majors the opportunity to earn upper division science
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Achievement Effects of Homework in Sixth Grade Classrooms.
Easton, John Q.; Bennett, Albert
This study examines the relationship between the amount of time sixth graders reported spending on homework and their achievement gains on the Iowa Test of Basic Skills (ITBS) between the spring of 1988 and the spring of 1989. Selected for participation were one or two classes in each of 30 public elementary schools in Chicago. Of the 30 schools,…
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Nornoo, Adwoa O.; Jackson, Jonathan; Axtell, Samantha
2017-01-01
Objective. To determine whether there is a correlation between pharmacy students? scores on the Health Science Reasoning Test (HSRT) and their grade on a package insert assignment designed to assess critical thinking.
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The Kitchen Is Your Laboratory: A Research-Based Term-Paper Assignment in a Science Writing Course
Jones, Clinton D.
2011-01-01
A term-paper assignment that encompasses the full scientific method has been developed and implemented in an undergraduate science writing and communication course with no laboratory component. Students are required to develop their own hypotheses, design experiments to test their hypotheses, and collect empirical data as independent scientists in…
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Peltier, Courtney Pisarich
2011-01-01
The purpose of this study was to examine the attitudes and practices of elementary, middle, and high school teachers regarding homework. In addition, the study sought to find if there was a relationship between the teachers' attitudes and practices of homework, as well as finding the differences between the grade levels. The questionnaire used…
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Wilansky, Pamela; Eklund, J Mikael; Milner, Tracy; Kreindler, David; Cheung, Amy; Kovacs, Tim; Shooshtari, Shahin; Astell, Arlene; Ohinmaa, Arto; Henderson, Joanna; Strauss, John; Mills, Rosemary Sl
2016-11-10
Anxiety and mood disorders are the most common mental illnesses, peaking during adolescence and affecting approximately 25% of Canadians aged 14-17 years. If not successfully treated at this age, they often persist into adulthood, exerting a great social and economic toll. Given the long-term impact, finding ways to increase the success and cost-effectiveness of mental health care is a pressing need. Cognitive behavior therapy (CBT) is an evidence-based treatment for mood and anxiety disorders throughout the lifespan. Mental health technologies can be used to make such treatments more successful by delivering them in a format that increases utilization. Young people embrace technologies, and many want to actively manage their mental health. Mobile software apps have the potential to improve youth adherence to CBT and, in turn, improve outcomes of treatment. The purpose of this project is to improve homework adherence in CBT for youth anxiety and/or depression. The objectives are to (1) design and optimize the usability of a mobile app for delivering the homework component of CBT for youth with anxiety and/or depression, (2) assess the app's impact on homework completion, and (3) implement the app in CBT programs. We hypothesize that homework adherence will be greater in the app group than in the no-app group. Phase 1: exploratory interviews will be conducted with adolescents and therapists familiar with CBT to obtain views and perspectives on the requirements and features of a usable app and the challenges involved in implementation. The information obtained will guide the design of a prototype. The prototype will be optimized via think-aloud procedures involving an iterative process of evaluation, modification, and re-evaluation, culminating in a fully functional version of the prototype that is ready for optimization in a clinical context. Phase 2: a usability study will be conducted to optimize the prototype in the context of treatment at clinics that provide
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Case Study: Guidelines for Producing Videos to Accompany Flipped Cases
Prud'homme-Généreux, Annie; Schiller, Nancy A.; Wild, John H.; Herreid, Clyde Freeman
2017-01-01
Three years ago, the "National Center for Case Study Teaching in Science" (NCCSTS) was inspired to merge the case study and flipped classroom approaches. The resulting project aimed to create the materials required to teach a flipped course in introductory biology by assigning videos as homework and case studies in the classroom. Three…
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Piloting a Web-Based Homework System in Developmental Mathematics Classrooms
Dass, Wendi E.
2012-01-01
This Capstone project studied a pilot of the web-based homework system "Hawkes" in developmental mathematics classes at a mid-sized community college. The purpose of the study was to investigate how three instructors of developmental mathematics courses incorporated "Hawkes" in their classes, what obstacles they encountered,…
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A Poster Assignment Connects Information Literacy and Writing Skills
Waters, Natalie
2015-01-01
This paper describes the implementation of a poster assignment in a writing and information literacy course required for undergraduate Life Sciences and Environmental Biology majors with the Faculty of Agricultural and Environmental Sciences at McGill University. The assignment was introduced in response to weaknesses identified through course…
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Gönülates, Emre; Kortemeyer, Gerd
2017-01-01
Homework is an important component of most physics courses. One of the functions it serves is to provide meaningful formative assessment in preparation for examinations. However, correlations between homework and examination scores tend to be low, likely due to unproductive student behavior such as copying and random guessing of answers. In this…
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Parental Involvement in English Homework Tasks: Bridging the Gap between School and Home
Directory of Open Access Journals (Sweden)
Nelly Patricia Ávila Daza
2009-10-01
Full Text Available This paper explores the concept of parental involvement in English homework tasks as a way to include parents in the educational community. This descriptive study was carried out in a female public school with 10 students from third and fourth grades and their parents. In order to obtain the information, different instruments were used: artifacts, interviews, questionnaires and observations. After analyzing the data, it was stated that parental involvement was seen as a means to bridge the gap between the school and home. The findings also showed the possibility of learning from each other and the importance of homework tasks as interactional and learning spaces among parents and children.
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Langberg, Joshua M.; Dvorsky, Melissa R.; Molitor, Stephen J.; Bourchtein, Elizaveta; Eddy, Laura D.; Smith, Zoe R.; Oddo, Lauren E.; Eadeh, Hana-May
2017-01-01
Objective: To evaluate the effectiveness of 2 brief school-based interventions targeting the homework problems of adolescents with attention-deficit/hyperactivity disorder (ADHD)--the Homework, Organization, and Planning Skills (HOPS) intervention and the Completing Homework by Improving Efficiency and Focus (CHIEF) intervention, as implemented by…
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Sletten, Sarah Rae
2017-01-01
In flipped classrooms, lectures, which are normally delivered in-class, are assigned as homework in the form of videos, and assignments that were traditionally assigned as homework, are done as learning activities in class. It was hypothesized that the effectiveness of the flipped model hinges on a student's desire and ability to adopt a…
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Improving General Chemistry Course Performance through Online Homework-Based Metacognitive Training
Casselman, Brock L.; Atwood, Charles H.
2017-01-01
In a first-semester general chemistry course, metacognitive training was implemented as part of an online homework system. Students completed weekly quizzes and multiple practice tests to regularly assess their abilities on the chemistry principles. Before taking these assessments, students predicted their score, receiving feedback after…
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Using Action Research To Create a Computer-Assisted Homework Site.
Packard, Abbot L.; Holmes, Glen A.
This paper investigates a collaboration between faculty and students in a college statistics course to develop a method of quickly getting homework graded with feedback indicated and returned to the students. Using a World Wide Web site to deliver this support was a possible solution. A survey was developed to gain student input in the process of…
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Dr Math Rocks!: Using instant messaging to help pupils with mathematics homework
CSIR Research Space (South Africa)
Butgereit, LL
2008-05-01
Full Text Available Mathematics education in South Africa needs help. This paper describes a project where school aged pupils could get help with their mathematics homework using MXit, South Africa's most popular instant messaging system, on their cell phones...
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One of My Favorite Assignments: Automated Teller Machine Simulation.
Oberman, Paul S.
2001-01-01
Describes an assignment for an introductory computer science class that requires the student to write a software program that simulates an automated teller machine. Highlights include an algorithm for the assignment; sample file contents; language features used; assignment variations; and discussion points. (LRW)
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Effects of Reviewing Annotations and Homework Solutions on Math Learning Achievement
Hwang, Wu-Yuin; Chen, Nian-Shing; Shadiev, Rustam; Li, Jin-Sing
2011-01-01
Previous studies have demonstrated that making annotations can be a meaningful and useful learning method that promote metacognition and enhance learning achievement. A web-based annotation system, Virtual Pen (VPEN), which provides for the creation and review of annotations and homework solutions, has been developed to foster learning process…
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The Utility of Writing Assignments in Undergraduate Bioscience
Libarkin, Julie; Ording, Gabriel
2012-01-01
We tested the hypothesis that engagement in a few, brief writing assignments in a nonmajors science course can improve student ability to convey critical thought about science. A sample of three papers written by students (n = 30) was coded for presence and accuracy of elements related to scientific writing. Scores for different aspects of scientific writing were significantly correlated, suggesting that students recognized relationships between components of scientific thought. We found that students' ability to write about science topics and state conclusions based on data improved over the course of three writing assignments, while the abilities to state a hypothesis and draw clear connections between human activities and environmental impacts did not improve. Three writing assignments generated significant change in student ability to write scientifically, although our results suggest that three is an insufficient number to generate complete development of scientific writing skills. PMID:22383616
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Dixon, Keshia L.
This study investigated the effect of the flipped classroom on urban high school students' motivation and academic achievement in a high school science course. In this quantitative study, the sample population was comprised of North Star High School 12th grade students enrolled in human anatomy and physiology. A quasi-experimental, pretest-posttest non-equivalent group design was conducted. After receipt of Liberty University Institutional Review Board approval and the school district's Department of Research and Evaluation for School Improvement, students completed a pretest comprised of the Science Motivation Questionnaire II (SMQ-II) and the Human Anatomy and Physiology Unit Test. Participants in the experimental group engaged in the treatment, the flipped classroom, using instructional materials on the educational website, Edmodo(TM), and applied content material taught using hands-on activities inclusive of assigned laboratory experiments. Participants in the control group received instruction using traditional face-to-face lecture-homework format while also engaging in assigned laboratory experiments. After the completion of the treatment all participants completed a posttest. Data from both the pretest and posttest was statistically analyzed individually using two separate one-way ANOVA/ANCOVA analyses; and researcher reported the results of the statistical analyses. After completion of the analyses, and interpretation of the results, recommendations for future research were given.
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Parental Homework Completion and Treatment Knowledge during Group Parent-Child Interaction Therapy
Ros, Rosmary; Graziano, Paulo A.; Hart, Katie C.
2017-01-01
The purpose of this study was to examine how parental homework completion, session attendance, and treatment knowledge influenced parenting practices and confidence in using learned skills during behavioral parent training (BPT). Parents of 54 preschoolers (M[subscript age] = 5.07, 82% Hispanic/Latino) with externalizing behavior problems…
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[The quality of the work-home and home-work relationship in the context of personal resources].
Szymańska, Paulina
2014-01-01
The aim of the study was to examine whether gain or loss of personal resources is associated with conflict or facilitation between work and family. The study involved 90 employees (mean age: 34.5 years). The Polish version of COR-Evaluation (Conservation of Resources-Evaluation) questionnaire, developed by Hobfoll and adapted by Dudek et al, was used to assess personal resources. The questionnaire enables to estimate gain and loss of 40 resources and calculate the overall level of gained or lost resources. SWING Questionnaire (Survey Work-Home Interaction, Nijmegen), developed by Geurts et al. and adapted by Mośicka-Teske and Merecz), was used to examine the quality of work-home and home-work relationship. The gain of personal resources positively correlates with both home-work facilitation (HWF) and work-home facilitation (WHF). Improvement of the family relations proved to be the most significant predictor of HWF and WHF. The loss of personal resources coincides with high level of conflict between the investigated areas of life. The main predictor of home-work conflict (HWC) was the variable relating to restrictions of access to medical services. In case of work-home conflict (WHC) the reduction of material security in case of dramatic life events was the major predictor. The results confirmed that the gain of resources is crucial for HWF/WHF, while their loss is an important factor, when the HWC/WHC is considered. The resources, which proved to be the main predictors of work-home and home-work relatiohship were alsoindicated. The obtained information may be beneficial to human resources managers, especially in designing the activities aimed at increasing the satisfaction and effectiveness of employees.
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Real Homework Tasks: A Pilot Study of Types, Values, and Resource Requirements
Danielson, Mary Lee; Strom, Bruce; Kramer, Kathrine
2011-01-01
As the standards and accountability movements have gained momentum and political favor in recent years, a renewed interest in instructional practices intended to promote greater success on standardized tests has been evidenced. One such instructional practice, homework, while certainly not a recent practice, receives both support and criticism and…
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Parental Mathematics Homework Involvement of Low-Income Families with Middle School Students
O'Sullivan, Robyn Hackford; Chen, Yung-Chi; Fish, Marian C.
2014-01-01
This study explores the relationships between methods of parental assistance (i.e., provision of structure, direct assistance, and autonomy support) with mathematics homework for high-achieving and low-achieving students and children's achievement in mathematics in low-income families and examines the impact of parental efficacy on these…
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Self-Monitoring of Self-Regulation during Math Homework Behaviour Using Standardized Diaries
Schmitz, Bernhard; Perels, Franziska
2011-01-01
This study aims at enhancing math learning and general self-regulation by supporting daily self-regulated learning during math homework. The authors use standardized diaries as a self-monitoring tool to support self-regulatory behaviour. Following the theory of self-monitoring, frequent self-monitoring of self-regulation will lead to an…
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Kalenkoski, Charlene Marie; Pabilonia, Sabrina Wulff
2009-01-01
Recent research suggests that working while in high school reduces the amount of time students spend doing homework. However, an additional hour of work leads to a reduction in homework by much less than one hour, suggesting a reduction in other activities. This paper uses data from the 2003-2007 American Time Use Surveys (ATUS) to investigate the…
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METHOD FOR SOLVING FUZZY ASSIGNMENT PROBLEM USING MAGNITUDE RANKING TECHNIQUE
D. Selvi; R. Queen Mary; G. Velammal
2017-01-01
Assignment problems have various applications in the real world because of their wide applicability in industry, commerce, management science, etc. Traditional classical assignment problems cannot be successfully used for real life problem, hence the use of fuzzy assignment problems is more appropriate. In this paper, the fuzzy assignment problem is formulated to crisp assignment problem using Magnitude Ranking technique and Hungarian method has been applied to find an optimal solution. The N...
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Beliefs of Families, Students, and Teachers regarding Homework for Elementary-Aged Children
Wright, Kim McGee
2010-01-01
According to Simplico (2005), critics who were led by parents have argued, "Children are spending too much time doing homework, which has no impact on their learning" (p. 138). This research study is significant for students, parents, teachers, educators, and administrators who wish to compare beliefs of families, students, and teachers regarding…
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Bailey, E G; Baek, D; Meiling, J; Morris, C; Nelson, N; Rice, N S; Rose, S; Stockdale, P
2018-06-01
Providing students with one-on-one interaction with instructors is a big challenge in large courses. One solution is to have students interact with their peers during class. Reciprocal peer tutoring (RPT) is a more involved interaction that requires peers to alternate the roles of "teacher" and "student." Theoretically, advantages for peer tutoring include the verbalization and questioning of information and the scaffolded exploration of material through social and cognitive interaction. Studies on RPT vary in their execution, but most require elaborate planning and take up valuable class time. We tested the effectiveness of a "teach and question" (TQ) assignment that required student pairs to engage in RPT regularly outside class. A quasi-experimental design was implemented: one section of a general biology course completed TQ assignments, while another section completed a substitute assignment requiring individuals to review course material. The TQ section outperformed the other section by ∼6% on exams. Session recordings were coded to investigate correlation between TQ quality and student performance. Asking more questions was the characteristic that best predicted exam performance, and this was more predictive than most aspects of the course. We propose the TQ as an easy assignment to implement with large performance gains.
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Raus, Randall
2012-01-01
REA's Essentials provide quick and easy access to critical information in a variety of different fields, ranging from the most basic to the most advanced. As its name implies, these concise, comprehensive study guides summarize the essentials of the field covered. Essentials are helpful when preparing for exams, doing homework and will remain a lasting reference source for students, teachers, and professionals. Computer Science I includes fundamental computer concepts, number representations, Boolean algebra, switching circuits, and computer architecture.
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Directory of Open Access Journals (Sweden)
Pedro Rosário
2005-12-01
Full Text Available Urge entender o Trabalho de Casa (TPC como processo complexo para o qual conflui um vasto leque de factores impactantes. Neste relato analisam-se as relações entre os perfis de atitudes e comportamentos diante do TPC de Inglês e o nível instrutivo dos pais, a auto-eficácia percebida nessa disciplina bem como a correlação entre tais perfis de TPC e os perfis auto-regulatórios, em face do estudo. A amostra tomada é composta de 3929 alunos. O nível instrutivo dos pais associa-se positiva e significativamente aos perfis de atitudes e comportamentos de TPC. As atitudes e comportamentos de TPC correlacionam-se, positiva e significativamente, com os perfis auto-regulatórios, diante do estudo. Alunos que se percepcionam como mais auto-eficazes registam melhores perfis de atitudes e comportamentos de TPC. Os resultados sugerem a necessidade de os diferentes parceiros do sistema educativo analisarem e promoverem activamente os processos auto-regulatórios envolvidos no ensino-aprendizagem em geral e no TPC em particular.There is a need to view homework (HW as a process for which a vast number of obstructive factors converges. In this report the interrelations between students of English as a Foreign Language, homework attitudes and behaviors, and their parents' education and students' perceived self-efficacy in EFL are analyzed. The correlation between students' EFL homework attitudes and behaviors and students' self-regulated learning profiles are also discussed. The study involved 3929 students, from 5th to 9th grades compulsory education. The collected data evidenced the positive and significant associations between EFL students' attitudes and behaviors towards homework and the parents' education and students' perceived self-efficacy in EFL. The correlation between EFL students' attitudes and behaviors towards homework and students' self-regulated learning profiles proves to be positive and significant. Calling the attention of teachers and
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Secondary School Students' Use of and Attitudes toward Online Mathematics Homework
Albelbisi, Nour Awni; Yusop, Farrah Dina
2018-01-01
The purposes of this study were twofold: 1) to examine the influence of performance expectancy, and effort expectancy on secondary school students attitudes toward the use of a mathematics online homework package called MyiMaths; and 2) to predict the factor that best influences their attitudes. A 15 item, five-point Likertscale instrument was…
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Directory of Open Access Journals (Sweden)
林智中 Chi-Chung Lam
2014-03-01
Full Text Available 華人地區深受傳統儒家文化影響，不少家長及教師都認同「勤有功、戲無益」、「有志者、事竟成」和「鐵柱磨成針」等傳統觀念。因此長期以來，香港學童都面對家課量多、家課深、長時間做家課的問題。2001年，香港特區政府推行教育改革，建議學校適當編排學生家課的數量，從而提升教與學的質素。為求了解香港學童家課的質與量是否因家課政策的實施而得以改善，本研究在香港10所小學進行調查，邀請各所學校其中一班五年級學生填寫問卷，統計完成家課的時間和家課類型，並訪問教師了解他們在家課設計、家課類型、家課功能等方面的考量。研究顯示，相對於課程改革之前，學生每天花在家課的時間的確減少；然而，大部分家課仍是紙筆練習，以鞏固課堂所學為主，較少有發展性的家課。分析這些研究結果背後的成因，有助於了解香港課程改革實施的狀況。Parents and teachers across Chinese societies mostly uphold the traditional belief of Confucianism that “hard work is the key to success.” As such, Hong Kong students have long been using much of their time doing lots of difficult homework. In 2001, curriculum reform was launched in Hong Kong, requesting schools and teachers to adjust the quantity and quality of homework assigned to students for the improvement of teaching and learning. The present study attempts to reveal the level of implementation of this homework policy. Ten primary schools participated in this study. One class of Grade 5 students in each school was chosen to complete a questionnaire for identifying the amount of time students spent on homework and the types of homework. Teachers of these classes were interviewed to find out how schools and teachers design and plan homework for their students. The study reveals that the time students spent on homework has decreased
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A TEMPLATE FOR ONLINE HOMEWORK: FRANKENSTEIN'S MONSTER OR ROBO TA?
Dahlgran, Roger A.
2002-01-01
This paper describes the programming procedures required to implement online homework and evaluates the application of these procedures based on use in the author's course. The description of the procedures utilizes a template showing two representative applications from the author's introductory econometrics course. In one, the students are to collect and record data and in the other, students are to perform econometric analysis on the data. The web address for the template is arec.arizona.e...
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Family Homework and School-Based Sex Education: Delaying Early Adolescents' Sexual Behavior
Grossman, Jennifer M.; Frye, Alice; Charmaraman, Linda; Erkut, Sumru
2013-01-01
Background: Early sexual activity can undermine adolescents' future school success and health outcomes. The purpose of this study was to assess the role of a family homework component of a comprehensive sex education intervention in delaying sexual initiation for early adolescents and to explore what social and contextual factors prevent…
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House, J. Daniel
2004-01-01
The importance of homework activities for student achievement has been extensively discussed. Research has indicated that, in general, students who spend more time on homework tend to show higher levels of academic achievement. For instance, results from the Third International Mathematics Study (TIMSS) indicated that adolescent students in Japan…
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Large-scale visualization projects for teaching software engineering.
Müller, Christoph; Reina, Guido; Burch, Michael; Weiskopf, Daniel
2012-01-01
The University of Stuttgart's software engineering major complements the traditional computer science major with more practice-oriented education. Two-semester software projects in various application areas offered by the university's different computer science institutes are a successful building block in the curriculum. With this realistic, complex project setting, students experience the practice of software engineering, including software development processes, technologies, and soft skills. In particular, visualization-based projects are popular with students. Such projects offer them the opportunity to gain profound knowledge that would hardly be possible with only regular lectures and homework assignments.
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Department of Education, Washington, DC. Office of Intergovernmental and Interagency Affairs.
Homework is an opportunity for children to learn and for families to be involved with their children's education, but helping children with homework is not always easy. This Spanish-language booklet is designed to provide parents of elementary and middle grades students with an understanding of the purpose and nature of homework and offers…
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Knollmann, Martin; Wild, Elke
2007-01-01
Two studies investigated the relationship between parental support, students' motivational orientations, and students' emotions during homework. It was assumed that intrinsically motivated students would feel better when parents provided much learning autonomy, while extrinsically motivated students would experience more positive affect when…
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Quest Learning and Assessment, UT Austin
Lewis, Gerald; McDonald, Patsy; Hostetler, Rhonda
2010-03-01
Quest Learning & Assessment is an innovative web-based tool for instructors and students of math and science. Quest was created at The University of Texas at Austin to address educational challenges at one of the biggest universities in the country. It now serves a primary role in classes taught within UT's College of Natural Sciences. Quest covers subjects ranging from mathematics, chemistry, biology, physics, computer science and statistics. For instructors, Quest offers an easy way to create homework assignments, quizzes and exams with its extensive knowledge base. Since most questions have built-in variations Quest can create custom assignments for each student, which are automatically graded. Once solutions are available, students can read detailed explanations to questions and understand why their answer was correct or incorrect. Quest has graded over 30 million student responses and is now available to all education institutions.
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Howell, Donna
This mixed-methods action research study was designed to assess the achievement of ninth-grade Physical Science Honors students by analysis of pre and posttest data. In addition, perceptual data from students, parents, and the researcher were collected to form a complete picture of the flipped lecture format versus the traditional lecture format. The researcher utilized a 4MAT learning cycle in two Physical Science Honors classes. One of these classes was traditionally delivered with lecture-type activities taking place inside the classroom and homework-type activities taking place at home; the other inverted, or flipped, delivered with lecture-type activities taking place outside the classroom and homework-type activities taking place inside the classroom. Existing unit pre and posttests for both classes were analyzed for differences in academic achievement. At the completion of the units, the flipped class students and parents were surveyed, and student focus groups were convened to ascertain their perceptions of the flipped classroom delivery model. Statistical analysis of posttest data revealed that there is no significant difference between the traditional lecture delivery format and the flipped delivery format. Analysis of perceptual data revealed six themes that must be considered when deciding to flip the classroom: how to hold students accountable for viewing the at-home videos, accessibility of students to the required technology, technical considerations relating to the video production, comprehension of the material both during and after viewing the videos, pedagogy of the overall flipped method, and preference for the flipped method overall. Findings revealed that students, parents, and the researcher all had a preference for the flipped class format, provided the above issues are addressed. The flipped class format encourages students to become more responsible for their learning, and, in addition, students reported that the hands-on inquiry
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Computer science II essentials
Raus, Randall
2012-01-01
REA's Essentials provide quick and easy access to critical information in a variety of different fields, ranging from the most basic to the most advanced. As its name implies, these concise, comprehensive study guides summarize the essentials of the field covered. Essentials are helpful when preparing for exams, doing homework and will remain a lasting reference source for students, teachers, and professionals. Computer Science II includes organization of a computer, memory and input/output, coding, data structures, and program development. Also included is an overview of the most commonly
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Extending item response theory to online homework
Directory of Open Access Journals (Sweden)
Gerd Kortemeyer
2014-05-01
Full Text Available Item response theory (IRT becomes an increasingly important tool when analyzing “big data” gathered from online educational venues. However, the mechanism was originally developed in traditional exam settings, and several of its assumptions are infringed upon when deployed in the online realm. For a large-enrollment physics course for scientists and engineers, the study compares outcomes from IRT analyses of exam and homework data, and then proceeds to investigate the effects of each confounding factor introduced in the online realm. It is found that IRT yields the correct trends for learner ability and meaningful item parameters, yet overall agreement with exam data is moderate. It is also found that learner ability and item discrimination is robust over a wide range with respect to model assumptions and introduced noise. Item difficulty is also robust, but over a narrower range.
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The Use of Homework in Cognitive Behavior Therapy: Working with Complex Anxiety and Insomnia
Freeman, Arthur
2007-01-01
Homework, or self-help, is an essential and required part of cognitive behavioral treatment. It offers several opportunities for the therapist to extend and increase therapy contact by having the patient "live" the therapy outside of the consulting room. It can also serve as a measure of the patient's motivation for therapy or for change. Homework…
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1997
This booklet presents parents with 10 "easy and fun" tips for making homework as beneficial as possible for their children and to develop in their children a good attitude about homework. The 10 tips are: make your expectations clear; find the right spot; make time; monitor your child's progress; encourage good habits; support and be available;…
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Su, Addison Y. S.; Huang, Chester S. J.; Yang, Stephen J. H.; Ding, T. J.; Hsieh, Y. Z.
2015-01-01
In Taiwan elementary schools, Scratch programming has been taught for more than four years. Previous studies have shown that personal annotations is a useful learning method that improve learning performance. An annotation-based Scratch programming (ASP) system provides for the creation, share, and review of annotations and homework solutions in…
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Improving homework compliance in the treatment of generalized anxiety disorder.
Leahy, Robert L
2002-05-01
Generalized anxiety disorder is a chronic condition characterized by beliefs that worry prepares and protects, but that excessive worry is out of control. In this article, I review the cognitive-behavioral model of generalized anxiety, focusing specifically on problems related to excessive worrying. Noncompliance in self-help homework is reflected in the patient's excessive focus on negative feelings, difficulty identifying automatic thoughts, demand for immediate results, and the belief that worries are realistic. Interventions for these problems are illustrated in the case of the treatment of a patient characterized by persistent worries, low self-confidence, procrastination, and avoidance. Copyright 2002 Wiley Periodicals, Inc.
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Çiğdem Özcan, Zeynep
2016-04-01
Studies highlight that using appropriate strategies during problem solving is important to improve problem-solving skills and draw attention to the fact that using these skills is an important part of students' self-regulated learning ability. Studies on this matter view the self-regulated learning ability as key to improving problem-solving skills. The aim of this study is to investigate the relationship between mathematical problem-solving skills and the three dimensions of self-regulated learning (motivation, metacognition, and behaviour), and whether this relationship is of a predictive nature. The sample of this study consists of 323 students from two public secondary schools in Istanbul. In this study, the mathematics homework behaviour scale was administered to measure students' homework behaviours. For metacognition measurements, the mathematics metacognition skills test for students was administered to measure offline mathematical metacognitive skills, and the metacognitive experience scale was used to measure the online mathematical metacognitive experience. The internal and external motivational scales used in the Programme for International Student Assessment (PISA) test were administered to measure motivation. A hierarchic regression analysis was conducted to determine the relationship between the dependent and independent variables in the study. Based on the findings, a model was formed in which 24% of the total variance in students' mathematical problem-solving skills is explained by the three sub-dimensions of the self-regulated learning model: internal motivation (13%), willingness to do homework (7%), and post-problem retrospective metacognitive experience (4%).
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Hampshire, Patricia Korzekwa; Butera, Gretchen D.; Bellini, Scott
2016-01-01
Homework challenges are particularly relevant for students with autism spectrum disorders who demonstrate difficulty maintaining attention, motivation, and developing effective study skills. These challenges are often exacerbated for adolescents with disabilities who face a number of challenges during the middle school years. A multiple baseline…
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The Effect of Distributed Practice Homework on Precalculus Achievement at a Military Academy.
1996-04-08
This study investigated the main effect of distributive practice homework on achievement in Precalculus . This study also investigated the aptitude...achievement in Precalculus . The sample consisted of 351 United States Air Force Academy cadets (experimental n = 161, control n = 190), all in their first...achievement. A subset of the Math Anxiety Rating Scale developed by Alexander and Martray (1989) was used as the measure of mathematics anxiety. Precalculus
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Assessment of Student Memo Assignments in Management Science
Williams, Julie Ann Stuart; Stanny, Claudia J.; Reid, Randall C.; Hill, Christopher J.; Rosa, Katie Martin
2015-01-01
Frequently in Management Science courses, instructors focus primarily on teaching students the mathematics of linear programming models. However, the ability to discuss mathematical expressions in business terms is an important professional skill. The authors present an analysis of student abilities to discuss management science concepts through…
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Langberg, Joshua M; Dvorsky, Melissa R; Molitor, Stephen J; Bourchtein, Elizaveta; Eddy, Laura D; Smith, Zoe R; Oddo, Lauren E; Eadeh, Hana-May
2018-01-01
To evaluate the effectiveness of 2 brief school-based interventions targeting the homework problems of adolescents with attention-deficit/hyperactivity disorder (ADHD)-the Homework, Organization, and Planning Skills (HOPS) intervention and the Completing Homework by Improving Efficiency and Focus (CHIEF) intervention, as implemented by school mental health providers during the school day. A secondary goal was to use moderator analyses to identify student characteristics that may differentially predict intervention response. Two-hundred and eighty middle school students with ADHD were randomized to the HOPS or CHIEF interventions or to waitlist, and parent and teacher ratings were collected pre, post, and at a 6-month follow-up. Both interventions were implemented with fidelity by school mental health providers. Participants were pulled from elective periods and sessions averaged less than 20 min. Participants in HOPS and CHIEF demonstrated significantly greater improvements in comparison with waitlist on parent ratings of homework problems and organizational skills and effect sizes were large. HOPS participants also demonstrated moderate effect size improvements on materials management and organized action behaviors according to teachers. HOPS participants made significantly greater improvements in parent- and teacher-rated use of organized actions in comparison with CHIEF, but not on measures of homework problems. Moderation analyses revealed that participants with more severe psychopathology and behavioral dysregulation did significantly better with the HOPS intervention as compared to the CHIEF intervention. Brief school-based interventions implemented by school providers can be effective. This type of service delivery model may facilitate overcoming the oft cited research-to-practice gap. (PsycINFO Database Record (c) 2018 APA, all rights reserved).
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2010-07-01
... 29 Labor 3 2010-07-01 2010-07-01 false Delegation of authority to grant, deny, or cancel an... General § 530.10 Delegation of authority to grant, deny, or cancel an individual homeworker certificate... State Agencies as his authorized representatives with full power and authority to grant, deny, or cancel...
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Moè, Angelica; Katz, Idit; Alesi, Marianna
2018-01-01
Background and aims: Based on the principles of scaffolding for motivation and on the assumptions of self-determination theory, two studies aimed to assess the role played by perceived parental autonomy-supportive scaffolding on child homework autonomous motivation, self-efficacy, affect, and engagement. Samples and results: The results of Study…
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Chelminski, Piotr
2017-01-01
In this article, the author proposes an innovative, exam-based homework grading method to facilitate both collaboration among students and individual accountability while learning a complex theory and applying it to solve a problem. Results from this novel approach to grading a "comparative advantage theory" homework assignment, using an…
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Freasier, Ben; Collins, Grant; Newitt, Paula
2003-11-01
This study presents a Web-based interactive homework quiz and tutorial package that we have devised to improve the learning of first-year undergraduate chemistry students. We developed this automated scheme, based on WWWAssign, to produce randomly generated quizzes from a large database of questions, instantaneously grade that homework, give a fully-worked solution, and provide individually targeted tutorial assistance. Success in these quizzes was a necessary requirement before taking supervised tests. We found a positive correlation at the p= 0.1 level (90%) between voluntary extra use of the quizzes in the interactive package and the final course grade. All students undertook more quizzes than the base course requirement even though the quiz grades did not contribute to the total course grades. We suggest that students were motivated to pursue additional practice with the quizzes and associated tutorial information, as they perceived some benefit in this student-centered study tool and could access it at any time.
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An Empirical Study of the Effect of Granting Multiple Tries for Online Homework
Kortemeyer, Gerd
2014-01-01
When deploying online homework in physics courses, an important consideration is how many attempts should be allowed in order to solve numerical free-response problems. While on the one hand, the maximum number of attempts should be large enough to allow learners mastery of the concepts and disincentivize copying, on the other hand, too many allowed attempts encourage counter-productive problem-solving behavior. In a study of an introductory calculus-based physics course for scientists and en...
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Chacko, Anil; Isham, Andrew; Cleek, Andrew F; McKay, Mary M
2016-01-01
Disruptive behavior disorders (DBDs) (oppositional defiant disorder (ODD) and conduct disorder (CD)) are prevalent, costly, and oftentimes chronic psychiatric disorders of childhood. Evidence-based interventions that focus on assisting parents to utilize effective skills to modify children's problematic behaviors are first-line interventions for the treatment of DBDs. Although efficacious, the effects of these interventions are often attenuated by poor implementation of the skills learned during treatment by parents, often referred to as between-session homework. The multiple family group (MFG) model is an evidence-based, skills-based intervention model for the treatment of DBDs in school-age youth residing in urban, socio-economically disadvantaged communities. While data suggest benefits of MFG on DBD behaviors, similar to other skill-based interventions, the effects of MFG are mitigated by the poor homework implementation, despite considerable efforts to support parents in homework implementation. This paper focuses on the study protocol for the development and preliminary evaluation of a theory-based, smartphone mobile health (mHealth) application (My MFG) to support homework implementation by parents participating in MFG. This paper describes a study design proposal that begins with a theoretical model, uses iterative design processes to develop My MFG to support homework implementation in MFG through a series of pilot studies, and a small-scale pilot randomised controlled trial to determine if the intervention can demonstrate change (preliminary efficacy) of My MFG in outpatient mental health settings in socioeconomically disadvantaged communities. This preliminary study aims to understand the implementation of mHealth methods to improve the effectiveness of evidence-based interventions in routine outpatient mental health care settings for youth with disruptive behavior and their families. Developing methods to augment the benefits of evidence
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Ndebele, Misheck
2015-01-01
This paper examines socio-economic factors influencing parental involvement in homework at the Foundation Phase in eight Johannesburg public primary schools. The research was conducted among over 600 parents from schools in different geographical and socio-economic areas such as the inner city, suburban and township. Two primary schools were…
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Fairman, Janet; Porter, Michael; Fisher, Susannah
2015-01-01
This report presents the findings from interviews with principals about their schools' participation in the ASSISTments efficacy study on seventh-grade mathematics. The purpose of the interviews was to explore the following areas: To what extent schools had policies or expectations regarding homework practice and completion; To what extent schools…
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Kontur, F. J.; de La Harpe, K.; Terry, N. B.
2016-01-01
We reply to Rieger, Reinsberg, and Wieman's forgoing Comment [Phys. Rev. Phys. Educ. Res., Comment on "Benefits of completing homework for students with different aptitudes in an introductory electricity and magnetism course" 12, 028001 (2016)].
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The Flipped Classroom for Teaching Organic Chemistry in Small Classes: Is It Effective?
Fautch, Jessica M.
2015-01-01
The flipped classroom is a pedagogical approach that moves course content from the classroom to homework, and uses class time for engaging activities and instructor-guided problem solving. The course content in a sophomore level Organic Chemistry I course was assigned as homework using video lectures, followed by a short online quiz. In class,…
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Richard C. Schiming
2012-01-01
This study investigates the impact that certain demographic and academic characteristics have on the degree of academic procrastination by college students in a Principles of Macroeconomics course. The study employs an objective measure of academic procrastination (homework initiation) rather than the self-reported measures typically employed in the literature. The empirical results indicate that students who procrastinate less are academically stronger, non-traditionally aged, or had a previ...
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Pearson, Meghan Jeanne
The first grade curriculum for science in Colorado requires students be able to use describing words to depict and compare objects and people; however, first graders struggle with using specific enough language to create strong descriptions. With science education research encouraging teachers to use alternative teaching methods to approach these challenging topics, it is important to provide teachers with resources appropriate to their students. One such alternative learning method is a reading partner. Reading partners have been shown to increase vocabulary, boost school performance, and improve self-esteem in children. This study analyzed the effectiveness of using a science-based peer reading assignment about describing words on increasing a first grader's understanding of the topic. The book required the class to work together to help the characters describe different images and characters in the book with the intent that students were engaged during the reading. In pre-interview and post-interview, students described pictures, and their responses were analyzed for quality of the describing words provided and the number of strong (specific and not opinion) describing words provided. In the post-interview, students had an overall increase in the number of strong describing words provided. The quantitative data was analyzed by comparing strong describing words used pre-reading and post-reading, and the effect size was very large. The results indicate reading the book explaining describing words that asked for student participation did increase students understanding and use of describing words.
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Introduction to Computational Physics for Undergraduates
Zubairi, Omair; Weber, Fridolin
2018-03-01
This is an introductory textbook on computational methods and techniques intended for undergraduates at the sophomore or junior level in the fields of science, mathematics, and engineering. It provides an introduction to programming languages such as FORTRAN 90/95/2000 and covers numerical techniques such as differentiation, integration, root finding, and data fitting. The textbook also entails the use of the Linux/Unix operating system and other relevant software such as plotting programs, text editors, and mark up languages such as LaTeX. It includes multiple homework assignments.
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Ramsey, Ellen C
2006-04-25
Recent research has shown a backlash against the enthusiastic promotion of technological solutions as replacements for traditional educational content delivery. Many institutions, including the University of Virginia, have committed staff and resources to supporting state-of-the-art, showpiece educational technology projects. However, the Claude Moore Health Sciences Library has taken the approach of helping Health Sciences faculty be more comfortable using technology in incremental ways for instruction and research presentations. In July 2004, to raise awareness of self-service multimedia resources for instructional and professional development needs, the Library conducted a "Multimedia Bootcamp" for nine Health Sciences faculty and fellows. Case study. Program stewardship by a single Library faculty member contributed to the delivery of an integrated learning experience. The amount of time required to attend the sessions and complete homework was the maximum fellows had to devote to such pursuits. The benefit of introducing technology unfamiliar to most fellows allowed program instructors to start everyone at the same baseline while not appearing to pass judgment on the technology literacy skills of faculty. The combination of wrapping the program in the trappings of a fellowship and selecting fellows who could commit to a majority of scheduled sessions yielded strong commitment from participants as evidenced by high attendance and a 100% rate of assignment completion. Response rates to follow-up evaluation requests, as well as continued use of Media Studio resources and Library expertise for projects begun or conceived during Bootcamp, bode well for the long-term success of this program. An incremental approach to integrating technology with current practices in instruction and presentation provided a supportive yet energizing environment for Health Sciences faculty. Keys to this program were its faculty focus, traditional hands-on instruction, unrestricted
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Blicha, Amy; Belfiore, Phillip J.
2013-01-01
This study examined the effects of an intervention consisting of automated prompting and self-monitoring on the level of independent homework task completion for an elementary-age student with attention deficit hyperactivity disorder (ADHD). Instituting a single subject, within series ABAB design, the results showed a consistent increase and…
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Tools for Implementing Science Practice in a Large Introductory Class
Prothero, W. A.
2008-12-01
Scientists must have in-depth background knowledge of their subject area and know where current knowledge can be advanced. They perform experiments that gather data to test new or existing theories, present their findings at meetings, publish their results, critically review the results of others, and respond to the reviews of their own work. In the context of a course, these activities correspond to learning the background material by listening to lectures or reading a text, formulating a problem, exploring data using student friendly data access and plotting software, giving brief talks to classmates in a small class or lab setting, writing a science paper or lab report, reviewing the writing of their peers, and receiving feedback (and grades) from their instructors and/or peers. These activities can be supported using course management software and online resources. The "LearningWithData" software system allows solid Earth (focused on plate tectonics) data exploration and plotting. Ocean data access, display, and plotting are also supported. Background material is delivered using animations and slide show type displays. Students are accountable for their learning through included homework assignments. Lab and small group activities provide support for data exploration and interpretation. Writing is most efficiently implemented using the "Calibrated Peer Review" method. This methodology is available at http://cpr.molsci.ucla.edu/. These methods have been successfully implemented in a large oceanography class at UCSB.
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Rieger, G. W.; Reinsberg, S. A.; Wieman, C. E.
2016-01-01
We present a comment on "Benefits of completing homework for students with different aptitudes in an introductory electricity and magnetism course", by F. J. Kontur, K. de La Harpe, and N. B. Terry PRST-PER 11, 010105 (2015). Our data show that the conclusions Kontur and coworkers draw from their data may not be generally applicable.
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What Works for Parents: How Parents Support Their Children with Math Homework in Rural Ghana
Directory of Open Access Journals (Sweden)
Vivian Tackie-Ofosu
2016-02-01
Full Text Available Family and Consumer Sciences (FCS programs target families in deprived rural and urban communities with the objective of equipping them with skills to improve family well-being, education, and relationships. In recent years, the focus of FCS in Ghana has been on parental styles and education that foster parents’ involvement in their children's school work. Using a child-parent interactive model, a series of math activities were delivered to children between the ages of 6 and 10 years. Group activities were also facilitated by the FCS staff. Parents used local materials, such as small empty cans, bottles, leaves, stones, sticks, old newspapers, and sand, to explain math concepts. Staff, parents, and children used fun activities and role plays to demonstrate developmental processes that enhance effective child development. The lessons identified were tied to the understanding of appropriate parenting styles that foster acquisition of skills for basic math concepts. At the end of the 12-week program, parents reported increased interest and confidence in math and were more proactive in supervising their children to complete their homework. The importance of the model lies in its simplicity in conveying fundamental knowledge that relates to the interwoven aspect of developmental domains to ensure children experience maximal success with math-related activities. The model also promotes acquisition of basic math skills in a naturalistic setting.
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Three results on frequency assignment in linear cellular networks
Czech Academy of Sciences Publication Activity Database
Chrobak, M.; Sgall, Jiří
2010-01-01
Roč. 411, č. 1 (2010), s. 131-137 ISSN 0304-3975 R&D Projects: GA MŠk(CZ) 1M0545; GA AV ČR IAA100190902 Keywords : frequency assignment * approximation algorithms * online algorithms Subject RIV: BA - General Mathematics Impact factor: 0.838, year: 2010 http://www.sciencedirect.com/science/article/pii/S0304397509006574
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Grams, Michael
2011-04-01
Recently when teaching a first-semester calculus-based physics course for engineers, I was perplexed by a particular group of students. These individuals were able to solve nearly every homework problem assigned from the end-of-chapter exercises in our textbook, and in some cases were able to do so using methods that we had not covered in class. However, they were unable to explain the steps in their solutions and when given similar problems on exams they performed very poorly. I became suspicious that these students were submitting homework solutions that were not their own, and a quick Internet search confirmed my fears. These students had been plagiarizing their homework assignments from a website called Cramster (www.cramster.com). In this article I would like to discuss the website, what some of my previous students and fellow educators think about it, and also consider whether or not Cramster could be useful in helping students learn physics.
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Sikiö, Riitta; Siekkinen, Martti; Holopainen, Leena; Silinskas, Gintautas; Lerkkanen, Marja-Kristiina; Nurmi, Jari-Erik
2018-01-01
The aim of this study was to examine the role of mothers' (language minority mothers, LM, n = 49, and Finnish-speaking mothers, MP, n = 368) parenting styles and maternal help with their children's homework in the children's (mean age 11.43 years) literacy skills at fourth grade in Finland. In addition, the moderating effect of a child's gender on…
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Friedman, Alon
2016-01-01
Statistics for Library and Information Services, written for non-statisticians, provides logical, user-friendly, and step-by-step instructions to make statistics more accessible for students and professionals in the field of Information Science. It emphasizes concepts of statistical theory and data collection methodologies, but also extends to the topics of visualization creation and display, so that the reader will be able to better conduct statistical analysis and communicate his/her findings. The book is tailored for information science students and professionals. It has specific examples of dataset sets, scripts, design modules, data repositories, homework assignments, and a glossary lexicon that matches the field of Information Science. The textbook provides a visual road map that is customized specifically for Information Science instructors, students, and professionals regarding statistics and visualization. Each chapter in the book includes full-color illustrations on how to use R for the statistical ...
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Fraser, Katie C.
2009-01-01
Government policy and academic research both talk about transforming learning through networked technologies – sharing newly available information about the learning context with new partners to support lifelong learning activities, and giving learners increased power and autonomy. This thesis examines how such learning opportunities might be supported. In order to ground these learning opportunities in current educational activity it studies homework, which is an example of a learning activi...
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Directory of Open Access Journals (Sweden)
de Brevern Alexandre G
2005-09-01
Full Text Available Abstract Background A number of methods are now available to perform automatic assignment of periodic secondary structures from atomic coordinates, based on different characteristics of the secondary structures. In general these methods exhibit a broad consensus as to the location of most helix and strand core segments in protein structures. However the termini of the segments are often ill-defined and it is difficult to decide unambiguously which residues at the edge of the segments have to be included. In addition, there is a "twilight zone" where secondary structure segments depart significantly from the idealized models of Pauling and Corey. For these segments, one has to decide whether the observed structural variations are merely distorsions or whether they constitute a break in the secondary structure. Methods To address these problems, we have developed a method for secondary structure assignment, called KAKSI. Assignments made by KAKSI are compared with assignments given by DSSP, STRIDE, XTLSSTR, PSEA and SECSTR, as well as secondary structures found in PDB files, on 4 datasets (X-ray structures with different resolution range, NMR structures. Results A detailed comparison of KAKSI assignments with those of STRIDE and PSEA reveals that KAKSI assigns slightly longer helices and strands than STRIDE in case of one-to-one correspondence between the segments. However, KAKSI tends also to favor the assignment of several short helices when STRIDE and PSEA assign longer, kinked, helices. Helices assigned by KAKSI have geometrical characteristics close to those described in the PDB. They are more linear than helices assigned by other methods. The same tendency to split long segments is observed for strands, although less systematically. We present a number of cases of secondary structure assignments that illustrate this behavior. Conclusion Our method provides valuable assignments which favor the regularity of secondary structure segments.
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Fassinger, Ruth E.; Scantlebury, Kathryn; Richmond, Geraldine
This article presents quantitative results of a study of 139 academic women in the chemical sciences who participated in a professional development program sponsored by the Committee on the Advancement of Women Chemists. The study investigated variables frequently examined in the vocational psychology of women: approaches to achievement, coping strategies, career advancement, the home-work interface, workplace climate, and mentoring. The article presents and discusses results in the context of unique issues faced by women in scientific careers.
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Mah, Steven; Chinnery, Charlene
2003-01-01
Describes an assignment in which the preservice teacher must find a connection between science and Shakespeare. Connects the science of the witches in Shakespeare's "Macbeth" to the holistic approach of education. (SG)
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Results of a Textbook Survey Given in Introductory Astronomy
Willoughby, Shannon
2007-05-01
Textbooks are required for virtually all college science courses taught around the country, but whether students use them and find them valuable is not clear. In order to get a better idea about what the students thought of the textbook and how they spent their time using it, an anonymous survey was taken by 305 (out of 400) students enrolled in Physics 101 during the Fall semester of 2005. Developed and administered by www.textrev.com, this is a free survey that college faculty may use for physics and chemistry textbooks. This survey revealed two interesting points. First, although 75% of the students found the textbook to be moderately to very challenging, only 38% of students reported spending 2 or more hours per week reading the text. Reading was assigned the majority of class periods, with the intention that they would read the material before it was covered in class. Second, 81% of the students found that the end of chapter problems were moderately to very challenging, but 62% reported spending one hour or less per week working on the assigned questions. Homework was assigned regularly from the textbook for the first half of the class, after which point we experimented with an online homework system. Next semester a new textbook is being adopted for this class, which has no color pictures and is significantly slimmer than the current textbook. This textbook survey will be given again at the end of next semester to look for any changes in textbook usage.
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Journal of Chemical Sciences | Indian Academy of Sciences
Indian Academy of Sciences (India)
Home; Journals; Journal of Chemical Sciences. Shivanand M Pudakalakatti. Articles written in Journal of Chemical Sciences. Volume 127 Issue 6 June 2015 pp 1091-1097 Regular Articles. Simultaneous acquisition of three NMR spectra in a single experiment for rapid resonance assignments in metabolomics · Shivanand ...
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Falkenberg, Carol Ann; Barbetta, Patricia M.
2013-01-01
This study used a multiple baseline design across subjects to investigate the effects of a self-monitoring package on the math and spelling homework completion and accuracy rates of four fourth-grade students (two boys and two girls) with disabilities in an inclusive general education classroom. Throughout baseline and intervention, participants…
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The Impact of Science Fiction Films on Student Interest in Science
Laprise, Shari; Winrich, Chuck
2010-01-01
Science fiction films were used in required and elective nonmajor science courses as a pedagogical tool to motivate student interest in science and to reinforce critical thinking about scientific concepts. Students watched various films and critiqued them for scientific accuracy in written assignments. Students' perception of this activity was…
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Grouping puts figure-ground assignment in context by constraining propagation of edge assignment.
Brooks, Joseph L; Brook, Joseph L; Driver, Jon
2010-05-01
Figure-ground organization involves the assignment of edges to a figural shape on one or the other side of each dividing edge. Established visual cues for edge assignment primarily concern relatively local rather than contextual factors. In the present article, we show that an assignment for a locally unbiased edge can be affected by an assignment of a remote contextual edge that has its own locally biased assignment. We find that such propagation of edge assignment from the biased remote context occurs only when the biased and unbiased edges are grouped. This new principle, whereby grouping constrains the propagation of figural edge assignment, emerges from both subjective reports and an objective short-term edge-matching task. It generalizes from moving displays involving grouping by common fate and collinearity, to static displays with grouping by similarity of edge-contrast polarity, or apparent occlusion. Our results identify a new contextual influence on edge assignment. They also identify a new mechanistic relation between grouping and figure-ground processes, whereby grouping between remote elements can constrain the propagation of edge assignment between those elements. Supplemental materials for this article may be downloaded from http://app.psychonomic-journals.org/content/supplemental.
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Bentley, Michael L.
This paper describes J. Rosengren's post-final assignment and M. Harmin's truth signs activity that were incorporated into a secondary science methods course for preservice teachers. The strength of the post-final assignment is that it is a strategy for extending student learning past the end of a course and even beyond the initial teaching…
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Directory of Open Access Journals (Sweden)
2016-01-01
Full Text Available The article is devoted to the airline scheduling process and methods of its modeling. This article describes the main stages of airline scheduling process (scheduling, fleet assignment, revenue management, operations, their features and interactions. The main part of scheduling process is fleet assignment. The optimal solution of the fleet assignment problem enables airlines to increase their incomes up to 3 % due to quality improving of connections and execution of the planned number of flights operated by less number of aircraft than usual or planned earlier. Fleet assignment of scheduling process is examined and Conventional Leg-Based Fleet Assignment Model is analyzed. Finally strong and weak aspects of the model (SWOT are released and applied. The article gives a critical analysis of FAM model, with the purpose of identi- fying possible options and constraints of its use (for example, in cases of short-term and long-term planning, changing the schedule or replacing the aircraft, as well as possible ways to improve the model.
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Bridging Water Resources Policy and Environmental Engineering in the Classroom at Cornell University
Walter, M. T.; Shaw, S. B.; Seifert, S.; Schwarz, T.
2006-12-01
Current university undergraduate students in environmental sciences and engineering are the next generation of environmental protection practitioners. Recognizing this, Cornell's Biological and Environmental Engineering department has developed a popular class, Watershed Engineering (BEE 473), specifically designed to bridge the too-common gap between water resources policy and state-of-art science and technology. Weekly homework assignments are to design real-life solutions to actual water resources problems, often with the objective of applying storm water policies to local situations. Where appropriate, usually in conjunction with recent amendments to the Federal Clean Water Act, this course introduces water resource protection tools and concepts developed in the Cornell Soil and Water Lab. Here we present several examples of how we build bridges between university classrooms and the complex world of water resources policy.
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An Accurate and Impartial Expert Assignment Method for Scientific Project Review
Directory of Open Access Journals (Sweden)
Mingliang Yue
2017-12-01
Full Text Available Purpose: This paper proposes an expert assignment method for scientific project review that considers both accuracy and impartiality. As impartial and accurate peer review is extremely important to ensure the quality and feasibility of scientific projects, enhanced methods for managing the process are needed. Design/methodology/approach: To ensure both accuracy and impartiality, we design four criteria, the reviewers’ fitness degree, research intensity, academic association, and potential conflict of interest, to express the characteristics of an appropriate peer review expert. We first formalize the expert assignment problem as an optimization problem based on the designed criteria, and then propose a randomized algorithm to solve the expert assignment problem of identifying reviewer adequacy. Findings: Simulation results show that the proposed method is quite accurate and impartial during expert assignment. Research limitations: Although the criteria used in this paper can properly show the characteristics of a good and appropriate peer review expert, more criteria/conditions can be included in the proposed scheme to further enhance accuracy and impartiality of the expert assignment. Practical implications: The proposed method can help project funding agencies (e.g. the National Natural Science Foundation of China find better experts for project peer review. Originality/value: To the authors’ knowledge, this is the first publication that proposes an algorithm that applies an impartial approach to the project review expert assignment process. The simulation results show the effectiveness of the proposed method.
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Zeelenberg, René; Pecher, Diane
2015-03-01
Counterbalanced designs are frequently used in the behavioral sciences. Studies often counterbalance either the order in which conditions are presented in the experiment or the assignment of stimulus materials to conditions. Occasionally, researchers need to simultaneously counterbalance both condition order and stimulus assignment to conditions. Lewis (1989; Behavior Research Methods, Instruments, & Computers 25:414-415, 1993) presented a method for constructing Latin squares that fulfill these requirements. The resulting Latin squares counterbalance immediate sequential effects, but not remote sequential effects. Here, we present a new method for generating Latin squares that simultaneously counterbalance both immediate and remote sequential effects and assignment of stimuli to conditions. An Appendix is provided to facilitate implementation of these Latin square designs.
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Directory of Open Access Journals (Sweden)
Marcie Lynne Jacklin
2013-06-01
Full Text Available This case study traces the evolution of library assignments for biological science students from paper-based workbooks in a blended (hands-on workshop to blended learning workshops using online assignments to online active learning modules which are stand-alone without any face-to-face instruction. As the assignments evolved to adapt to online learning supporting materials in the form of PDFs (portable document format, screen captures and screencasting were embedded into the questions as teaching moments to replace face-to-face instruction. Many aspects of the evolution of the assignment were based on student feedback from evaluations, input from senior lab demonstrators and teaching assistants, and statistical analysis of the students’ performance on the assignment. Advantages and disadvantages of paper-based and online assignments are discussed. An important factor for successful online learning may be the ability to get assistance.
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Time to work or time to play: the effect of student employment on homework, sleep, and screen time
Kalenkoski, Charlene Marie; Wulff Pabilonia, Sabrina
2009-01-01
We use detailed time-diary information on high school students’ daily activities from the 2003–2008 American Time Use Surveys (ATUS) to investigate the effects of employment on the time a student spends on homework and other major activities. Time-diary data are more detailed and accurate than data derived from responses to “usual activity” survey questions underlying other analyses and capture the immediate effects of working that may well accumulate over time to affect future outcomes. Our ...
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Kazantzis, Nikolaos; Brownfield, Nicole R; Mosely, Livia; Usatoff, Alexsandra S; Flighty, Andrew J
2017-12-01
Treatment adherence has posed a substantial challenge not only for patients but also for the health profession for many decades. The last 5 years has witnessed significant attention toward adherence with cognitive behavioral therapy (CBT) homework for anxiety and depressive disorders, and adherence assessment methods have diversified. However, there remains a large component of the adherence process not assessed in CBT, with patient effort, engagement, and the known role for treatment appraisals and beliefs necessitating the pursuit of improved adherence assessment methods. Copyright © 2017 Elsevier Inc. All rights reserved.
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Using History of Science to Teach Nature of Science to Elementary Students
Fouad, Khadija E.; Masters, Heidi; Akerson, Valarie L.
2015-01-01
Science lessons using inquiry only or history of science with inquiry were used for explicit reflective nature of science (NOS) instruction for second-, third-, and fourth-grade students randomly assigned to receive one of the treatments. Students in both groups improved in their understanding of creative NOS, tentative NOS, empirical NOS, and…
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The Ohio Partnership for the Far East Region Science Teachers
Beiersdorfer, Raymond; Sturrus, W. Gregg
2008-03-01
The Ohio Partnership for Far East Region Science Teachers (OPFERST) is a three-year project funded by Federal Math Science Partnership Funds through a grant to the Ohio Dept. of Education. OPFERST is a partnership (opferst.ysu.edu) of Youngstown State University science and education faculty, trained facilitators and the county and city science consultants. Every (47) school district in the region signed on and during the first year 32 districts participated. During the first two years, 198 teachers representing Ashtabula, Columbiana, Mahoning and Trumbull Counties, as well as Warren City and Youngstown City schools have participated. The vision of OPFERST is to improve the teaching and learning of the Ohio Science Academic Content Standards. Project goals are: 1) Increase science content knowledge of teachers; 2) Implement effective instructional practices; 3) Improve students performance in science; and 4) Develop professional learning communities which will lead to programmatic changes within districts. Goals one through three are met by modeling inquiry-based methods for teaching science content standards. Goal four is met by ongoing meetings through-out the school year, classroom visits by YSU faculty and fieldtrips to the YSU Campus by classes led by OPFERST teachers. Evaluation of OPFERST includes demographic and classroom practice data, pre- and post-tests of participants, journals, homework and the administration of evaluation instruments with some OPFERST participants' students.
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CREATIVE APPROACHES TO COMPUTER SCIENCE EDUCATION
Directory of Open Access Journals (Sweden)
V. B. Raspopov
2010-04-01
Full Text Available Using the example of PPS «Toolbox of multimedia lessons «For Children About Chopin» we demonstrate the possibility of involving creative students in developing the software packages for educational purposes. Similar projects can be assigned to school and college students studying computer sciences and informatics, and implemented under the teachers’ supervision, as advanced assignments or thesis projects as a part of a high school course IT or Computer Sciences, a college course of Applied Scientific Research, or as a part of preparation for students’ participation in the Computer Science competitions or IT- competitions of Youth Academy of Sciences ( MAN in Russian or in Ukrainian.
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Using Primary Literature for Teaching Undergraduate Planetary Sciences
Levine, J.
2013-05-01
careful choices of articles. Although research articles from any field can be challenging for students because they are usually written for a specialist audience, planetary science literature is especially difficult because students seldom have background in all of the disciplines represented in the field. An additional pedagogical challenge is demonstrating to the students the transferability of the skills they are learning from reading and analyzing the articles. My presentation will include examples of how I use research articles in class, homework assignments I have crafted to reinforce the five points above, and indicators of student achievement.
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UOP LDR 300 All Assignments New
ADMIN
2018-01-01
UOP LDR 300 All Assignments New Check this A+ tutorial guideline at http://www.ldr300assignment.com/ldr-300-uop/ldr-300-all-assignments-latest For more classes visit http://www.ldr300assignment.com LDR 300 Week 1 Assignment Leadership Assessment (2 Papers) LDR 300 Week 2 Assignment Leadership Theories Matrix (2 Set) LDR 300 Week 2 Assignment Formulating Leadership Part I (2 Papers) LDR 300 Week 3 Assignment Interaction and Influence Amo...
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Strategies for teaching pathology to graduate students and allied health professionals.
Fenderson, Bruce A
2005-02-01
Pathology is an essential course for many students in the biomedical sciences and allied health professions. These students learn the language of pathology and medicine, develop an appreciation for mechanisms of disease, and understand the close relationship between basic research and clinical medicine. We have developed 3 pathology courses to meet the needs of our undergraduates, graduate students, and allied health professionals. Through experience, we have settled on an approach to teaching pathology that takes into account the diverse educational backgrounds of these students. Educational resources such as assigned reading, online homework, lectures, and review sessions are carefully balanced to adjust course difficulty. Common features of our pathology curricula include a web-based computer laboratory and review sessions on the basis of selected pathology images and open-ended study questions. Lectures, computer-guided homework, and review sessions provide the core educational content for undergraduates. Graduate students, using the same computer program and review material, rely more heavily on assigned reading for core educational content. Our experience adapting a pathology curriculum to the needs of divergent groups of students suggests a general strategy for monitoring course difficulty. We hypothesize that course difficulty is proportional to the information density of specific learning resources (eg, lecture or textbook) multiplied by the weight of those learning resources placed on examinations. This formula allows educators to match the difficulty of a course with the educational needs of students, and provides a useful tool for longitudinal studies of curriculum reform.
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Lahaie, Sébastien; Parkes, David C.
We consider the problem of fair allocation in the package assignment model, where a set of indivisible items, held by single seller, must be efficiently allocated to agents with quasi-linear utilities. A fair assignment is one that is efficient and envy-free. We consider a model where bidders have superadditive valuations, meaning that items are pure complements. Our central result is that core outcomes are fair and even coalition-fair over this domain, while fair distributions may not even exist for general valuations. Of relevance to auction design, we also establish that the core is equivalent to the set of anonymous-price competitive equilibria, and that superadditive valuations are a maximal domain that guarantees the existence of anonymous-price competitive equilibrium. Our results are analogs of core equivalence results for linear prices in the standard assignment model, and for nonlinear, non-anonymous prices in the package assignment model with general valuations.
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Plagiarism-Proofing Assignments
Johnson, Doug
2004-01-01
Mr. Johnson has discovered that the higher the level of student engagement and creativity, the lower the probability of plagiarism. For teachers who would like to see such desirable results, he describes the characteristics of assignments that are most likely to produce them. Two scenarios of types of assignments that avoid plagiarism are…
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Reuter, Jamie M.
The recent decades have seen an increased focus on improving early science education. Goals include helping young children learn about pertinent concepts in science, and fostering early scientific reasoning and inquiry skills (e.g., NRC 2007, 2012, 2015). However, there is still much to learn about what constitutes appropriate frameworks that blend science education with developmentally appropriate learning environments. An important goal for the construction of early science is a better understanding of appropriate learning experiences and expectations for preschool children. This dissertation examines some of these concerns by focusing on three dimensions of science learning in the preschool classroom: (1) the learner; (2) instructional tools and pedagogy; and (3) the social context of learning with peers. In terms of the learner, the dissertation examines some dimensions of preschool children's scientific reasoning skills in the context of potentially relevant, developing general reasoning abilities. As young children undergo rapid cognitive changes during the preschool years, it is important to explore how these may influence scientific thinking. Two features of cognitive functioning have been carefully studied: (1) the demonstration of an epistemic awareness through an emerging theory of mind, and (2) the rapid improvement in executive functioning capacity. Both continue to develop through childhood and adolescence, but changes in early childhood are especially striking and have been neglected as regards their potential role in scientific thinking. The question is whether such skills relate to young children's capacity for scientific thinking. Another goal was to determine whether simple physics diagrams serve as effective instructional tools in supporting preschool children's scientific thinking. Specifically, in activities involving predicting and checking in scientific contexts, the question is whether such diagrams facilitate children's ability to
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Tinkering With AGCMs To Investigate Atmospheric Behavior
Bitz, C. M.
2014-12-01
My experience teaching a course in global climate modeling has proven that students (and instructors) with wide-ranging backgrounds in earth-science learn effectively about the complexity of climate by tinker with model components. As an example, I will present a series of experiments in an AGCM with highly simplified geometries for ocean and land to test the response of the atmosphere to variations in basic parameters. The figure below shows an example of how the zonal wind changes with surface roughness and orography. The pinnacle of experiments explored in my course was the outcome of a homework assignment where students reduced the cloud droplet radius by 40% over ocean, and the results surprised students and instructor alike.
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Journal writing in science: Effects on comprehension, interest, and critical reflection
Directory of Open Access Journals (Sweden)
Kristin Wäschle
2015-06-01
Full Text Available Writing-to-learn assignments typically foster deep comprehension of learning contents. Journal writing, in particular, promotes the application of learning strategies, which promote learners’ comprehension, interest in a topic and ability to critically reflect on learning contents. Against this background, we conducted two longitudinal field studies. In Study 1, twenty-one students wrote learning journal entries after their biology lessons. After the intervention period, they showed better scores in comprehension, interest and critical reflection than the control class, in which students (n=25 completed other homework assignments. Mediation analyses revealed a domino effect: Journal writing improved comprehension, which led to raised interest, which resulted in superior critical reflection. Study 2 further investigated the role of learners’ interest in improving critical reflection. Students in the experimental condition (n=13 received a personal-utility prompt in addition to cognitive and metacognitive prompts to support journal writing. In the control group (n=11, students only received cognitive and metacognitive prompts. The experimental group showed higher interest scores after the intervention period and a better quality of critical reflections on a bio-ethical issue than the control group. Together, these studies illustrate the potentials of journal writing for improving learners’ comprehension, their interest and ability to critically reflect on complex scientific issues.
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Sensor assignment to mission in AI-TECD
Ganger, Robert; de Mel, Geeth; Pham, Tien; Rudnicki, Ronald; Schreiber, Yonatan
2016-05-01
Sensor-mission assignment involves the allocation of sensors and other information-providing resources to missions in order to cover the information needs of the individual tasks within each mission. The importance of efficient and effective means to find appropriate resources for tasks is exacerbated in the coalition context where the operational environment is dynamic and a multitude of critically important tasks need to achieve their collective goals to meet the objectives of the coalition. The Sensor Assignment to Mission (SAM) framework—a research product of the International Technology Alliance in Network and Information Sciences (NIS-ITA) program—provided the first knowledge intensive resource selection approach for the sensor network domain so that contextual information could be used to effectively select resources for tasks in coalition environments. Recently, CUBRC, Inc. was tasked with operationalizing the SAM framework through the use of the I2WD Common Core Ontologies for the Communications-Electronics Research, Development and Engineering Center (CERDEC) sponsored Actionable Intelligence Technology Enabled Capabilities Demonstration (AI-TECD). The demonstration event took place at Fort Dix, New Jersey during July 2015, and this paper discusses the integration and the successful demonstration of the SAM framework within the AI-TECD, lessons learned, and its potential impact in future operations.
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1983-12-01
D-136 548 DYNAMIIC SEQUENCE ASSIGNMENT(U) ADVANCED INFORMATION AND 1/2 DECISION SYSTEMS MOUNTAIN YIELW CA C A 0 REILLY ET AL. UNCLSSIIED DEC 83 AI/DS...I ADVANCED INFORMATION & DECISION SYSTEMS Mountain View. CA 94040 84 u ,53 V,..’. Unclassified _____ SCURITY CLASSIFICATION OF THIS PAGE REPORT...reviews some important heuristic algorithms developed for fas- ter solution of the sequence assignment problem. 3.1. DINAMIC MOGRAMUNIG FORMULATION FOR
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Wasser, S K; Brown, L; Mailand, C; Mondol, S; Clark, W; Laurie, C; Weir, B S
2015-07-03
Poaching of elephants is now occurring at rates that threaten African populations with extinction. Identifying the number and location of Africa's major poaching hotspots may assist efforts to end poaching and facilitate recovery of elephant populations. We genetically assign origin to 28 large ivory seizures (≥0.5 metric tons) made between 1996 and 2014, also testing assignment accuracy. Results suggest that the major poaching hotspots in Africa may be currently concentrated in as few as two areas. Increasing law enforcement in these two hotspots could help curtail future elephant losses across Africa and disrupt this organized transnational crime. Copyright © 2015, American Association for the Advancement of Science.
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Roberts, Tonya; Nolet, Kimberly; Bowers, Barbara
2015-06-01
Consistent assignment of nursing staff to residents is promoted by a number of national organizations as a strategy for improving nursing home quality and is included in pay for performance schedules in several states. However, research has shown inconsistent effects of consistent assignment on quality outcomes. In order to advance the state of the science of research on consistent assignment and inform current practice and policy, a literature review was conducted to critique conceptual and methodological understandings of consistent assignment. Twenty original research reports of consistent assignment in nursing homes were found through a variety of search strategies. Consistent assignment was conceptualized and operationalized in multiple ways with little overlap from study to study. There was a lack of established methods to measure consistent assignment. Methodological limitations included a lack of control and statistical analyses of group differences in experimental-level studies, small sample sizes, lack of attention to confounds in multicomponent interventions, and outcomes that were not theoretically linked. Future research should focus on developing a conceptual understanding of consistent assignment focused on definition, measurement, and links to outcomes. To inform current policies, testing consistent assignment should include attention to contexts within and levels at which it is most effective. Published by Oxford University Press on behalf of the Gerontological Society of America 2013.
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Johnson, Robert W.
1992-01-01
Presents information on the Capac Nan, the highway system of the Incas. Describes its use by the Spanish conquistadors in the destruction of the Incan empire. Includes suggested classroom uses for the article, a homework assignment, and discussion topics. (DK)
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Becker, Samantha Lauren; Hirst, Dalton; Barron-Santella, Angelica; Prather, Edward E.; Mendelsohn, Benjamin; Wallace, Colin Scott
2014-06-01
A group of graduate and undergraduate students and researchers with the Center for Astronomy Education (CAE) have been analyzing general education introductory astronomy (Astro 101) students’ written responses to questions that probe their ideas about the role and relevance of science in our society and in their lives. At the end of the semester, students were asked several questions to elicit their ideas about the positive and potential negative impacts that science has on our society's prosperity and their quality of life. Students were asked to provide examples and justifications for the most important discoveries in science, advancements in health and medicine and innovations in technology over the past century. Students were also asked to comment on which facet of the course (lecture, homework, in-class writings, Think-Pair-Share questions and/or Lecture-Tutorials) contributed to changing their understanding of their world and society.
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Evaluating a Pre-session Exercise in a Standalone Information Literacy Class
Directory of Open Access Journals (Sweden)
Joseph E. Goetz
2015-12-01
Full Text Available In this study, researchers evaluate a homework exercise assigned before a standalone information literacy session. Students in a Master of Education program completed a worksheet using the ERIC database thesaurus. The researchers conducted pre- and posttests within a single library session to assess student learning, using a control group for comparison. The treatment group did not demonstrate better thesaurus skills than students who had regular library instruction alone, but results pointed the way to targeted improvements of pre-session learning materials. This approach could inform other information literacy homework applications such as flipping the classroom.
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Using HL7 in hospital staff assignments.
Unluturk, Mehmet S
2014-02-01
Hospital staff assignments are the instructions that allocate the hospital staff members to the hospital beds. Currently, hospital administrators make the assignments without accessing the information regarding the occupancy of the hospital beds and the acuity of the patient. As a result, administrators cannot distinguish between occupied and unoccupied beds, and may therefore assign staff to unoccupied beds. This gives rise to uneven and inefficient staff assignments. In this paper, the hospital admission-discharge-transfer (ADT) system is employed both as a data source and an assignment device to create staff assignments. When the patient data is newly added or modified, the ADT system updates the assignment software client with the relevant data. Based on the relevant data, the assignment software client is able to construct staff assignments in a more efficient way. © 2013 Elsevier Ltd. All rights reserved.
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Information Science. Historical Paper 2
Kent, Allen
2015-01-01
The author was assigned the task to comment on the broad topic: "New sciences, technologies, and media--impact on education for librarianship (or libraries)." The author choose to emphasize "information science." Narrowing the subject down even further, in this article the author emphasizes some of the aspects of the…
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Rooks, Ronica N.; Ford, Cassandra
2013-01-01
This personal reflection describes our experiences with incorporating the scholarship of teaching and learning and problem-based techniques to facilitate undergraduate student learning and their professional development in the health sciences. We created a family health history assignment to discuss key concepts in our courses, such as health…
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Study habits among Nigerian secondary school students with brain fag syndrome
Directory of Open Access Journals (Sweden)
Olufemi Morakinyo
2010-01-01
Full Text Available Brain Fag Syndrome (BFS is a psychiatric disorder associated with study affecting two to four out of every ten African students. One of the consequences of this illness is early foreclosure of education in affected students. Etiological factors such as nervous predisposition, motivation for achievement, and psycho-stimulant use have been found associated with it. However, the contributions of study habits to the pathogenesis of this study-related illness deserve more attention than has been given. We carried out this cross-sectional study to ascertain the types of study habits associated with BFS among a sample of senior secondary school students in Ile-Ife, Nigeria. Five hundred students from six schools in Ile-Ife were selected using a stratified random sampling technique. The selected students completed the Socio-demographic Data Schedule, the Brain Fag Syndrome Scale, and Bakare’s Study Habit Inventory. The prevalence of BFS was 40.2% (201. There were no significant socio-demographic variables identifying BFS students apart from those without BFS. The significant measures of study habits that predicted BFS were homework and assignments, examinations, and written work. Those with BFS had 3.58 times the odds to perform poorly on homework and assignments, 3.27 times the odds to perform poorly on examinations, and 1.01 times the odds to perform poorly on written work compared to those without BFS. We concluded that the results of this study suggest that homework and assignments, examinations, and written work were significant study habit variables associated with BFS.
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A note on ranking assignments using reoptimization
DEFF Research Database (Denmark)
Pedersen, Christian Roed; Nielsen, L.R.; Andersen, K.A.
2005-01-01
We consider the problem of ranking assignments according to cost in the classical linear assignment problem. An algorithm partitioning the set of possible assignments, as suggested by Murty, is presented where, for each partition, the optimal assignment is calculated using a new reoptimization...
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Learning to Provide 3D Virtual Reference: A Library Science Assignment
Johnson, Megan; Purpur, Geraldine; Abbott, Lisa T.
2009-01-01
In spring semester 2009, two of the authors taught LIB 5020--Information Sources & Services to graduate library science students at Appalachian State University. The course covers information seeking patterns and provides an overview of reference services. The course is also designed to examine and evaluate library reference materials and…
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Competitive Traffic Assignment in Road Networks
Directory of Open Access Journals (Sweden)
Krylatov Alexander Y.
2016-09-01
Full Text Available Recently in-vehicle route guidance and information systems are rapidly developing. Such systems are expected to reduce congestion in an urban traffic area. This social benefit is believed to be reached by imposing the route choices on the network users that lead to the system optimum traffic assignment. However, guidance service could be offered by different competitive business companies. Then route choices of different mutually independent groups of users may reject traffic assignment from the system optimum state. In this paper, a game theoretic approach is shown to be very efficient to formalize competitive traffic assignment problem with various groups of users in the form of non-cooperative network game with the Nash equilibrium search. The relationships between the Wardrop’s system optimum associated with the traffic assignment problem and the Nash equilibrium associated with the competitive traffic assignment problem are investigated. Moreover, some related aspects of the Nash equilibrium and the Wardrop’s user equilibrium assignments are also discussed.
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78 FR 55684 - ConnectED Workshop
2013-09-11
... tools move everything from homework assignments to testing into the cloud. The workshop will explore possible strategies to connect virtually all of our students to next-generation broadband in a timely, cost-effective way. It will also share promising practices, from NTIA's Broadband Technology Opportunities...
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Margerum, Lawrence D.; Gulsrud, Maren; Manlapez, Ronald; Rebong, Rachelle; Love, Austin
2007-01-01
The browser-based software program, Calibrated Peer Review (CPR) developed by the Molecular Science Project enables instructors to create structured writing assignments in which students learn by writing and reading for content. Though the CPR project covers only one experiment in general chemistry, it might provide lab instructors with a method…
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Newly qualified teachers' visions of science learning and teaching
Roberts, Deborah L.
2011-12-01
This study investigated newly qualified teachers' visions of science learning and teaching. The study also documented their preparation in an elementary science methods course. The research questions were: What educational and professional experiences influenced the instructor's visions of science learning and teaching? What visions of science learning and teaching were promoted in the participants' science methods course? What visions of science learning and teaching did these newly qualified teachers bring with them as they graduated from their teacher preparation program? How did these visions compare with those advocated by reform documents? Data sources included participants' assignments, weekly reflections, and multi-media portfolio finals. Semi-structured interviews provided the emic voice of participants, after graduation but before they had begun to teach. These data were interpreted via a combination of qualitative methodologies. Vignettes described class activities. Assertions supported by excerpts from participants' writings emerged from repeated review of their assignments. A case study of a typical participant characterized weekly reflections and final multi-media portfolio. Four strands of science proficiency articulated in a national reform document provided a framework for interpreting activities, assignments, and interview responses. Prior experiences that influenced design of the methods course included an inquiry-based undergraduate physics course, participation in a reform-based teacher preparation program, undergraduate and graduate inquiry-based science teaching methods courses, participation in a teacher research group, continued connection to the university as a beginning teacher, teaching in diverse Title 1 schools, service as the county and state elementary science specialist, participation in the Carnegie Academy for the Scholarship of Teaching and Learning, service on a National Research Council committee, and experience teaching a
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Real life working shift assignment problem
Sze, San-Nah; Kwek, Yeek-Ling; Tiong, Wei-King; Chiew, Kang-Leng
2017-07-01
This study concerns about the working shift assignment in an outlet of Supermarket X in Eastern Mall, Kuching. The working shift assignment needs to be solved at least once in every month. Current approval process of working shifts is too troublesome and time-consuming. Furthermore, the management staff cannot have an overview of manpower and working shift schedule. Thus, the aim of this study is to develop working shift assignment simulation and propose a working shift assignment solution. The main objective for this study is to fulfill manpower demand at minimum operation cost. Besides, the day off and meal break policy should be fulfilled accordingly. Demand based heuristic is proposed to assign working shift and the quality of the solution is evaluated by using the real data.
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Modifying ``Six Ideas that Shaped Physics'' for a Life-Science major audience at Hope College
Mader, Catherine
2005-04-01
The ``Six Ideas That Shaped Physics'' textbook has been adapted and used for use in the algebra-based introductory physics course for non-physics science majors at Hope College. The results of the first use will be presented. Comparison of FCI for pre and post test scores will be compared with results from 8 years of results from both the algebra-based course and the calculus-based course (when we first adopted ``Six Ideas that Shaped Physcs" for the Calculus-based course). In addition, comparison on quantitative tests and homework problems with prior student groups will also be made. Because a large fraction of the audience in the algebra-based course is life-science majors, a goal of this project is to make the material relevant for these students. Supplemental materials that emphasize the connection between the life sciences and the fundamental physics concepts are being be developed to accompany the new textbook. Samples of these materials and how they were used (and received) during class testing will be presented.
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24 CFR 221.770 - Assignment option.
2010-04-01
... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Assignment option. 221.770 Section... § 221.770 Assignment option. A mortgagee holding a conditional or firm commitment issued on or before... mortgagee's approved underwriter on or before November 30, 1983) has the option to assign, transfer and...
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Job Assignments under Moral Hazard
DEFF Research Database (Denmark)
Koch, Alexander; Nafziger, Julia
Inefficient job assignments are usually explained with incomplete information about employees' abilities or contractual imperfections. We show that inefficient assignments arise even without uncertainty about the employee's ability and with complete contracts. Building on this result we provide...
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Energy Technology Data Exchange (ETDEWEB)
Zuiderweg, Erik R. P., E-mail: zuiderwe@umich.edu; Bagai, Ireena [The University of Michigan Medical School, Department of Biological Chemistry (United States); Rossi, Paolo [Rutgers University, Center for Integrative Proteomics Research (United States); Bertelsen, Eric B. [Arbor Communications, Inc. (United States)
2013-10-15
For several of the proteins in the BioMagResBank larger than 200 residues, 60 % or fewer of the backbone resonances were assigned. But how reliable are those assignments? In contrast to complete assignments, where it is possible to check whether every triple-resonance Generalized Spin System (GSS) is assigned once and only once, with incomplete data one should compare all possible assignments and pick the best one. But that is not feasible: For example, for 200 residues and an incomplete set of 100 GSS, there are 1.6 Multiplication-Sign 10{sup 260} possible assignments. In 'EZ-ASSIGN', the protein sequence is divided in smaller unique fragments. Combined with intelligent search approaches, an exhaustive comparison of all possible assignments is now feasible using a laptop computer. The program was tested with experimental data of a 388-residue domain of the Hsp70 chaperone protein DnaK and for a 351-residue domain of a type III secretion ATPase. EZ-ASSIGN reproduced the hand assignments. It did slightly better than the computer program PINE (Bahrami et al. in PLoS Comput Biol 5(3):e1000307, 2009) and significantly outperformed SAGA (Crippen et al. in J Biomol NMR 46:281-298, 2010), AUTOASSIGN (Zimmerman et al. in J Mol Biol 269:592-610, 1997), and IBIS (Hyberts and Wagner in J Biomol NMR 26:335-344, 2003). Next, EZ-ASSIGN was used to investigate how well NMR data of decreasing completeness can be assigned. We found that the program could confidently assign fragments in very incomplete data. Here, EZ-ASSIGN dramatically outperformed all the other assignment programs tested.
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24 CFR 221.255 - Assignment option.
2010-04-01
... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Assignment option. 221.255 Section... Assignment option. (a) A mortgagee holding a mortgage insured pursuant to a conditional or firm commitment issued on or before November 30, 1983 has the option to assign, transfer and deliver to the Commissioner...
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An algorithm for ranking assignments using reoptimization
DEFF Research Database (Denmark)
Pedersen, Christian Roed; Nielsen, Lars Relund; Andersen, Kim Allan
2008-01-01
We consider the problem of ranking assignments according to cost in the classical linear assignment problem. An algorithm partitioning the set of possible assignments, as suggested by Murty, is presented where, for each partition, the optimal assignment is calculated using a new reoptimization...... technique. Computational results for the new algorithm are presented...
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48 CFR 42.602 - Assignment and location.
2010-10-01
... 48 Federal Acquisition Regulations System 1 2010-10-01 2010-10-01 false Assignment and location... Assignment and location. (a) A CACO may be assigned only when (1) the contractor has at least two locations..., or a full-time CACO may be assigned. In determining the location of the CACO, the responsible agency...
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Maybank, Maureen
1999-09-01
When handling , I recalled how one set of sixth-form students that I taught affectionately referred to Jim Breithaupt's large format book Understanding Physics for Advanced Level as `Big Jim'. This package, for GCSE students and teachers, is its younger brother. Key Science Physics was reviewed in this journal over four years ago. Now it is in a new edition with an expanded ring file of teacher resources (a Teacher's Guide and Extension File). It has been expanded for a wider range of students to meet the requirements of all GCSE syllabuses with additional topics for IGCSE and IB. The international bit seems to be among materials in the file of resources and does not appear in the title of the students' textbook. This is not one of those purchases that will only get occasional use and be left in a department library but it is one that contains sufficient excellent material to become central to any GCSE Physics course. For the students there is a single-volume 396-page textbook in full colour (not a heavyweight book). Marginal comments point out places where an Activity or Assignment from the Extension File fits in. All the materials in the teacher's Extension File are cross referenced to the numbering of this textbook, i.e. its Themes, Topics, Checkpoints, Tests etc, not to page numbers. The margin is used in other attractive ways to highlight a summary, propose a first thought or provide a topic summary. The text is fruitful mix of pure physics, applications and personalities. To support the students' practical work the Extension File contains photocopiable sheets. For the activities and assignments a few contain a harder version to give access to the higher levels of attainment. Four alternatives to practical questions are given; there are also exam questions and multiple choice questions for each topic. These all have helpful mark schemes on the teacher's answers pages. What else do you get? A Glossary collection of sheets to photocopy with space to enter a
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International Nuclear Information System (INIS)
Zuiderweg, Erik R. P.; Bagai, Ireena; Rossi, Paolo; Bertelsen, Eric B.
2013-01-01
For several of the proteins in the BioMagResBank larger than 200 residues, 60 % or fewer of the backbone resonances were assigned. But how reliable are those assignments? In contrast to complete assignments, where it is possible to check whether every triple-resonance Generalized Spin System (GSS) is assigned once and only once, with incomplete data one should compare all possible assignments and pick the best one. But that is not feasible: For example, for 200 residues and an incomplete set of 100 GSS, there are 1.6 × 10 260 possible assignments. In “EZ-ASSIGN”, the protein sequence is divided in smaller unique fragments. Combined with intelligent search approaches, an exhaustive comparison of all possible assignments is now feasible using a laptop computer. The program was tested with experimental data of a 388-residue domain of the Hsp70 chaperone protein DnaK and for a 351-residue domain of a type III secretion ATPase. EZ-ASSIGN reproduced the hand assignments. It did slightly better than the computer program PINE (Bahrami et al. in PLoS Comput Biol 5(3):e1000307, 2009) and significantly outperformed SAGA (Crippen et al. in J Biomol NMR 46:281–298, 2010), AUTOASSIGN (Zimmerman et al. in J Mol Biol 269:592–610, 1997), and IBIS (Hyberts and Wagner in J Biomol NMR 26:335–344, 2003). Next, EZ-ASSIGN was used to investigate how well NMR data of decreasing completeness can be assigned. We found that the program could confidently assign fragments in very incomplete data. Here, EZ-ASSIGN dramatically outperformed all the other assignment programs tested
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Element Cycles: An Environmental Chemistry Board Game
Pippins, Tracy; Anderson, Cody M.; Poindexter, Eric F.; Sultemeier, S. Whitney; Schultz, Linda D.
2011-01-01
"Element Cycles" is an activity designed to reinforce correlation of essential elements and their different forms in the ecosystem. Students are assigned essential elements to research as homework, then share results, and construct game boards with four ecosphere sections: geosphere (earth), hydrosphere (water), atmosphere (air), and biosphere…
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Exploring Flipped Classroom Instruction in Calculus III
Wasserman, Nicholas H.; Quint, Christa; Norris, Scott A.; Carr, Thomas
2017-01-01
In an undergraduate Calculus III class, we explore the effect of "flipping" the instructional delivery of content on both student performance and student perceptions. Two instructors collaborated to determine daily lecture notes, assigned the same homework problems, and gave identical exams; however, compared to a more traditional…
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Identifying Student Difficulties with Entropy, Heat Engines, and the Carnot Cycle
Smith, Trevor I.; Christensen, Warren M.; Mountcastle, Donald B.; Thompson, John R.
2015-01-01
We report on several specific student difficulties regarding the second law of thermodynamics in the context of heat engines within upper-division undergraduate thermal physics courses. Data come from ungraded written surveys, graded homework assignments, and videotaped classroom observations of tutorial activities. Written data show that students…
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Aurora, Tarlok
2005-04-01
In a calculus-based introductory physics course, students were assigned to write the statements of word problems (along with the accompanying diagrams if any), analyze these, identify important concepts/equations and try to solve these end-of- chapter homework problems. They were required to bring to class their written assignment until the chapter was completed in lecture. These were quickly checked at the beginning of the class. In addition, re-doing selected solved examples in the textbook were assigned as homework. Where possible, students were asked to look for similarities between the solved-examples and the end-of-the-chapter problems, or occasionally these were brought to the students' attention. It was observed that many students were able to solve several of the solved-examples on the test even though the instructor had not solved these in class. This was seen as an improvement over the previous years. It made the students more responsible for their learning. Another benefit was that it alleviated the problems previously created by many students not bringing the textbooks to class. It allowed more time for problem solving/discussions in class.
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Complexities and constraints influencing learner performance in physical science
Directory of Open Access Journals (Sweden)
Mavhungu Abel Mafukata
2016-01-01
Full Text Available This paper explores complexities and constraints affecting performance and output of physical science learners in Vhembe District, Limpopo Province, South Africa. The study was motivated by the desire of the researcher to establish, profile and characterise the complexities and constraints reminiscence of poor performance of learners in physical science as measured through end-of-year Grade 12 (final year of high school education examination results. Twenty six schools (n=26 were purposively selected from three circuits of education (n=3. From these schools, two learners were randomly selected (n=52 for interviews. In addition, two circuit managers (n=2 were conveniently selected as part of Key Informant Interviews (KII. For the Focus Group Discussions (FGDs, twelve (n=12 parents were randomly selected to form two groups of six members each. Multi-factor complexities and constraints impeding performance of learners were discovered. Intensive teacher in-service programme is recommended. Community engagement should be encouraged to educate parents on the value of involvement in the education of their children. Free access learner support structures such as Homework and Extra-lessons Assistance Centre (H&EACs should be established.
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Exogenous spatial attention influences figure-ground assignment.
Vecera, Shaun P; Flevaris, Anastasia V; Filapek, Joseph C
2004-01-01
In a hierarchical stage account of vision, figure-ground assignment is thought to be completed before the operation of focal spatial attention. Results of previous studies have supported this account by showing that unpredictive, exogenous spatial precues do not influence figure-ground assignment, although voluntary attention can influence figure-ground assignment. However, in these studies, attention was not summoned directly to a region in a figure-ground display. In three experiments, we addressed the relationship between figure-ground assignment and visuospatial attention. In Experiment 1, we replicated the finding that exogenous precues do not influence figure-ground assignment when they direct attention outside of a figure-ground stimulus. In Experiment 2, we demonstrated that exogenous attention can influence figure-ground assignment if it is directed to one of the regions in a figure-ground stimulus. In Experiment 3, we demonstrated that exogenous attention can influence figure-ground assignment in displays that contain a Gestalt figure-ground cue; this result suggests that figure-ground processes are not entirely completed prior to the operation of focal spatial attention. Exogenous spatial attention acts as a cue for figure-ground assignment and can affect the outcome of figure-ground processes.
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Abbas, Ahmed
2014-04-19
Despite significant advances in automated nuclear magnetic resonance-based protein structure determination, the high numbers of false positives and false negatives among the peaks selected by fully automated methods remain a problem. These false positives and negatives impair the performance of resonance assignment methods. One of the main reasons for this problem is that the computational research community often considers peak picking and resonance assignment to be two separate problems, whereas spectroscopists use expert knowledge to pick peaks and assign their resonances at the same time. We propose a novel framework that simultaneously conducts slice picking and spin system forming, an essential step in resonance assignment. Our framework then employs a genetic algorithm, directed by both connectivity information and amino acid typing information from the spin systems, to assign the spin systems to residues. The inputs to our framework can be as few as two commonly used spectra, i.e., CBCA(CO)NH and HNCACB. Different from the existing peak picking and resonance assignment methods that treat peaks as the units, our method is based on \\'slices\\', which are one-dimensional vectors in three-dimensional spectra that correspond to certain (N, H) values. Experimental results on both benchmark simulated data sets and four real protein data sets demonstrate that our method significantly outperforms the state-of-the-art methods while using a less number of spectra than those methods. Our method is freely available at http://sfb.kaust.edu.sa/Pages/Software.aspx. © 2014 Springer Science+Business Media.
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Academic anxiety, academic procrastination, and parental involvement in students and their parents.
Milgram, N; Toubiana, Y
1999-09-01
The study investigated the relationship between academic anxiety and procrastination in children and parents, and parents' direct involvement in their children's schoolwork. Children reported their current anxiety and procrastination and parents reported their anxiety and procrastination when they were children (a measure of indirect influence on their children's schoolwork habits), and on their current involvement in their children's schoolwork (a measure of direct influence). Self-report measures were administered to 354 Israeli adolescents (ages 13, 14, and 16) and their parents. Students were less anxious about homework than the other academic assignments. Older adolescents were less anxious about their schoolwork overall and procrastinated more than younger on homework. Parents of late adolescents were less involved in their children's schoolwork than parents of younger adolescents. Parents participated equally in school-related interactions that demanded high investment of time and effort, but mothers engaged more than fathers in low investment activities. These direct and indirect parental influences on their children's procrastination were of low magnitude overall, but appeared relatively stronger for mothers. The more students were anxious about preparing for examinations and writing papers, the more they procrastinated on these assignments, confirming the appraisal-anxiety avoidance (AAA) model. The inverse relationship of anxiety and procrastination with regard to homework led to our making a post hoc distinction between task-centred and consequence-centred anxiety.
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Position Posters: An Alternative Take on Science Posters
Dorner, Meredith
2015-01-01
Research shows the importance of active learning, especially within science classes. One way to achieve this goal is to incorporate student-driven projects into the course (e.g., posters). Traditionally, science-poster assignments follow the spirit of the science fair in which a student conducts an experiment and analyzes the results. This article…
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Incorporating Earth Science into Other High School Science Classes
Manning, C. L. B.; Holzer, M.; Colson, M.; Courtier, A. M. B.; Jacobs, B. E.
2016-12-01
As states begin to review their standards, some adopt or adapt the NGSS and others write their own, many basing these on the Framework for K-12 Science Education. Both the NGSS and the Frameworks have an increased emphasis on Earth Science but many high school teachers are being asked to teach these standards in traditional Biology, Chemistry and Physics courses. At the Earth Educators Rendezvous, teachers, scientists, and science education researchers worked together to find the interconnections between the sciences using the NGSS and identified ways to reference the role of Earth Sciences in the other sciences during lectures, activities and laboratory assignments. Weaving Earth and Space sciences into the other curricular areas, the teams developed relevant problems for students to solve by focusing on using current issues, media stories, and community issues. These and other lessons and units of study will be presented along with other resources used by teachers to ensure students are gaining exposure and a deeper understanding of Earth and Space Science concepts.
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Forbes, Cory T.
2013-01-01
In this nested mixed methods study I investigate factors influencing preservice elementary teachers' adaptation of science curriculum materials to better support students' engagement in science as inquiry. Analyses focus on two "reflective teaching assignments" completed by 46 preservice elementary teachers in an undergraduate elementary science…
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Using a Web Site to Support a Seismology Course Textbook
Wysession, M. E.; Stein, S.
2004-12-01
We present a course in seismology that consists of a textbook with an accompanying web site (http://epscx.wustl.edu/seismology/book). The web site serves many different functions, and is of great importance as a companion to the curriculum in several different ways: (1) All of the more than 600 figures from the book are available on the web site. Geophysics is a very visually-oriented discipline, and many concepts are more easily taught with appropriate visual tools. In addition, many instructors are now using computer-based lecture programs such as PowerPoint. To aid in this, all of the figures are displayed in a common JPG format, both with and without titles. They are available to be used in a seismology course, or any kind of Earth Science course. This way, an instructor can easily grab a figure from the web site and drop it into a PowerPoint format. The figures are listed by number, but are also obtainable from menus of thumbnail sketches. If an instructor would like all of the figures, they can be obtained as large zip files, which can be unzipped after downloading. In addition, sample PowerPoint lectures using the figures as well the equations from the text will be available on the course web site. (2) Solutions to all of the homework problems are available in PDF format on the course website. Homework is a vital component of any quantitative course, but it is often a significant time commitment for instructors to derive all of the homework problems. In addition, it is much easier to select which homework problems are desired to be assigned if the solutions can be seen. The 64 pages of homework solutions are on a secure web site that requires a user ID and password that can be obtained from the authors. (3) Any errors found in the textbook are immediately posted on an "Errata" web page. Many of these errors are found by instructors who are using the curriculum (and they are given credit for finding the errors!). The text becomes an interactive process
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Froiland, John Mark
2011-01-01
In a seven week quasi-experimental study, parents (n = 15) of elementary school students (n = 15) learned autonomy supportive communication techniques that included helping their children set learning goals for homework assignments. Treatment vs. comparison group (n = 30) ANCOVA analyses revealed that the parents in the treatment group perceived…
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An Online Course of Business Statistics: The Proportion of Successful Students
Pena-Sanchez, Rolando
2009-01-01
This article describes the students' academic progress in an online course of business statistics through interactive software assignments and diverse educational homework, which helps these students to build their own e-learning through basic competences; i.e. interpreting results and solving problems. Cross-tables were built for the categorical…
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Mesh and Time-Step Independent Computational Fluid Dynamics (CFD) Solutions
Nijdam, Justin J.
2013-01-01
A homework assignment is outlined in which students learn Computational Fluid Dynamics (CFD) concepts of discretization, numerical stability and accuracy, and verification in a hands-on manner by solving physically realistic problems of practical interest to engineers. The students solve a transient-diffusion problem numerically using the common…
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Peterson, Shelley Stagg; Ladky, Mary
2007-01-01
This research, using questionnaire and interview data, examined practices and challenges of educators in areas of southern Ontario in fostering immigrant parents' support for their children's literacy. Results showed that teachers learn about the language and culture of their students, modify homework assigned to their ESL students, and encourage…
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The Etymological Dictionary as a Teaching Device
Becker, Donald
1977-01-01
The etymological dictionary is a useful tool for language students; this article presents three series of homework problems whose solutions are to be found in a German etymological dictionary. Regular assignment of such problems will teach students both vocabulary skills and knowledge and curiosity about the German language. (CHK)
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Effects of gender and role selection in cooperative learning groups on science inquiry achievement
Affhalter, Maria Geralyn
An action research project using science inquiry labs and cooperative learning groups examined the effects of same-gender and co-educational classrooms on science achievement and teacher-assigned or self-selected group roles on students' role preferences. Fifty-nine seventh grade students from a small rural school district participated in two inquiry labs in co-educational classrooms or in an all-female classroom, as determined by parents at the beginning of the academic year. Students were assigned to the same cooperative groups for the duration of the study. Pretests and posttests were administered for each inquiry-based science lab. Posttest assessments included questions for student reflection on role assignment and role preference. Instruction did not vary and a female science teacher taught all class sections. The same-gender classroom and co-ed classrooms produced similar science achievement scores on posttests. Students' cooperative group roles, whether teacher-assigned or self-selected, produced similar science achievement scores on posttests. Male and female students shared equally in favorable and unfavorable reactions to their group roles during the science inquiry labs. Reflections on the selection of the leader role revealed a need for females in co-ed groups to be "in charge". When reflecting on her favorite role of leader, one female student in a co-ed group stated, "I like to have people actually listen to me".
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Directory of Open Access Journals (Sweden)
Talitha Rosa Matlin
2017-09-01
Full Text Available Abstract Objective – This article aims to assess student achievement of higher-order information literacy learning outcomes from online tutorials as compared to in-person instruction in science and health science courses. Methods – Information literacy instruction via online tutorials or an in-person one-shot session was implemented in multiple sections of a biology (n=100 and a kinesiology course (n=54. After instruction, students in both instructional environments completed an identical library assignment to measure the achievement of higher-order learning outcomes and an anonymous student survey to measure the student experience of instruction. Results – The data collected from library assignments revealed no statistically significant differences between the two instructional groups in total assignment scores or scores on specific questions related to higher-order learning outcomes. Student survey results indicated the student experience is comparable between instruction groups in terms of clarity of instruction, student confidence in completing the course assignment after library instruction, and comfort in asking a librarian for help after instruction. Conclusions – This study demonstrates that it is possible to replace one-shot information literacy instruction sessions with asynchronous online tutorials with no significant reduction in student learning in undergraduate science and health science courses. Replacing in-person instruction with online tutorials will allow librarians at this university to reach a greater number of students and maintain contact with certain courses that are transitioning to completely online environments. While the creation of online tutorials is initially time-intensive, over time implementing online instruction could free up librarian time to allow for the strategic integration of information literacy instruction into other courses. Additional time savings could be realized by incorporating auto
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Teaching Evolution with the Aid of Science Fiction
Bixler, Andrea
2007-01-01
Students obtain much misinformation from TV and movies. Teachers can use the analysis of science fiction to correct misconceptions about biology and spur students' interests in the subject. Suggestions for discussions and assignments based on literary-quality science fiction works are included.
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Solving the rectangular assignment problem and applications
Bijsterbosch, J.; Volgenant, A.
2010-01-01
The rectangular assignment problem is a generalization of the linear assignment problem (LAP): one wants to assign a number of persons to a smaller number of jobs, minimizing the total corresponding costs. Applications are, e.g., in the fields of object recognition and scheduling. Further, we show
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7 CFR 900.106 - Assignment of mediator.
2010-01-01
... 7 Agriculture 8 2010-01-01 2010-01-01 false Assignment of mediator. 900.106 Section 900.106 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... Assignment of mediator. The Director of the Division shall assign a mediator, from the group designated by...
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Don't Just Do the Math--Type It!
Stephens, Greg
2016-01-01
Most word processors, including Google Docs™ and Microsoft® Word, include an equation editor. These are great tools for the occasional homework problem or project assignment. Getting the mathematics to display correctly means making decisions about exactly which elements of an expression go where. The feedback is immediate: Students can see…
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Yu, Darwin D.
2011-01-01
Background: Financial accounting is a skills course which to a large extent can be best learned through deliberate practice. Teachers implement this by continuously assigning homeworks, encouraging good study habits, asking students to budget time for studying, and generally exhorting students to "work hard". Aims: This paper examines the impact…
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Flipped Learning for ESL Writing in a Sudanese School
Abdelrahman, Limia Ali Mohamed; DeWitt, Dorothy; Alias, Norlidah; Rahman, Mohd Nazri Abdul
2017-01-01
Sudanese students seem to lack proficiency in writing English. In addition, teachers continue to use traditional, teacher-centered methods in teaching English as a second language (ESL). The flipped learning (FL) approach where video lectures are assigned as online homework before class, followed by learning activities during class, might be able…
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Gonul, Fusun F.; Solano, Roger A.
2013-01-01
We investigate business undergraduate mathematics-based courses in a blended environment of online assignments and exams and offline lectures, and report the impact on academic performance of factors such as classroom attendance, web-based course supplements, and homework. We present results from both ordinary least squares and fixed effects,…
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Dennis, Bruce L.
1997-01-01
Since Spring 1995, a Bedford, New York superintendent and her district have been virulently attacked by two parents who initially accused them of promoting Satanism, exemplified in an after-school game called Magic: The Gathering. These parents are now attacking drug prevention programs, various homework assignments, and literature selections. The…
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Flipped Statistics Class Results: Better Performance than Lecture over One Year Later
Winquist, Jennifer R.; Carlson, Keith A.
2014-01-01
In this paper, we compare an introductory statistics course taught using a flipped classroom approach to the same course taught using a traditional lecture based approach. In the lecture course, students listened to lecture, took notes, and completed homework assignments. In the flipped course, students read relatively simple chapters and answered…
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Learning Environment and Student Effort
Hopland, Arnt O.; Nyhus, Ole Henning
2016-01-01
Purpose: The purpose of this paper is to explore the relationship between satisfaction with learning environment and student effort, both in class and with homework assignments. Design/methodology/approach: The authors use data from a nationwide and compulsory survey to analyze the relationship between learning environment and student effort. The…
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ABCA Bulletin, 1983
1983-01-01
Describes three assignments for enticing business communication students to undertake library research: an analysis of a Fortune 500 company, a career choice report, and a report on an organization that offers potential employment. (AEA)
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Putnik, Katarina; Houkes, Inge
2011-09-23
Little information exists on work and stress related health of medical doctors in non-EU countries. Filling this knowledge gap is needed to uncover the needs of this target population and to provide information on comparability of health related phenomena such as burnout across countries. This study examined work related characteristics, work-home and home-work interference and burnout among Serbian primary healthcare physicians (PHPs) and compared burnout levels with other medical doctors in EU countries. Data were collected via surveys which contained Maslach Burnout Inventory and other validated instruments measuring work and home related characteristics. The sample consisted of 373 PHPs working in 12 primary healthcare centres. Data were analysed using t-tests and Chi square tests. No gender differences were detected on mean scores of variables among Serbian physicians, who experience high levels of personal accomplishment, workload, job control and social support, medium to high levels of emotional exhaustion, medium levels of depersonalisation and work-home interference, and low levels of home-work interference. There were more women than men who experienced low job control and high depersonalisation. Serbian physicians experienced significantly higher emotional exhaustion and lower depersonalisation than physicians in some other European countries. To diminish excessive workload, the number of physicians working in primary healthcare centres in Serbia should be increased. Considering that differences between countries were detected on all burnout subcomponents, work-related interventions for employees should be country specific. The role of gender needs to be closely examined in future studies as well.
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Directory of Open Access Journals (Sweden)
Houkes Inge
2011-09-01
Full Text Available Abstract Background Little information exists on work and stress related health of medical doctors in non-EU countries. Filling this knowledge gap is needed to uncover the needs of this target population and to provide information on comparability of health related phenomena such as burnout across countries. This study examined work related characteristics, work-home and home-work interference and burnout among Serbian primary healthcare physicians (PHPs and compared burnout levels with other medical doctors in EU countries. Methods Data were collected via surveys which contained Maslach Burnout Inventory and other validated instruments measuring work and home related characteristics. The sample consisted of 373 PHPs working in 12 primary healthcare centres. Data were analysed using t-tests and Chi square tests. Results No gender differences were detected on mean scores of variables among Serbian physicians, who experience high levels of personal accomplishment, workload, job control and social support, medium to high levels of emotional exhaustion, medium levels of depersonalisation and work-home interference, and low levels of home-work interference. There were more women than men who experienced low job control and high depersonalisation. Serbian physicians experienced significantly higher emotional exhaustion and lower depersonalisation than physicians in some other European countries. Conclusions To diminish excessive workload, the number of physicians working in primary healthcare centres in Serbia should be increased. Considering that differences between countries were detected on all burnout subcomponents, work-related interventions for employees should be country specific. The role of gender needs to be closely examined in future studies as well.
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Directory of Open Access Journals (Sweden)
Orem J
2012-12-01
Full Text Available Jackson Orem,1–3 Sven Sandin,1 Caroline E Weibull,1 Michael Odida,4 Henry Wabinga,4 Edward Mbidde,2,3 Fred Wabwire-Mangen,5 Chris JLM Meijer,6 Jaap M Middeldorp,6 Elisabete Weiderpass1,7,81Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; 2Uganda Cancer Institute, 3School of Medicine, 4School of Biomedical Sciences, 5School of Public Health, Makerere University College of Health Sciences, Kampala, Uganda; 6Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands; 7Cancer Registry of Norway, Oslo; Department of Community Medicine, University of Tromsø, Tromsø, Norway; 8Samfundet Folkhälsan, Helsinki, FinlandBackground: Correct diagnosis is key to appropriate treatment of cancer in children. However, diagnostic challenges are common in low-income and middle-income countries. The objective of the present study was to assess the agreement between a clinical diagnosis of childhood non-Hodgkin lymphoma (NHL assigned in Uganda, a pathological diagnosis assigned in Uganda, and a pathological diagnosis assigned in The Netherlands.Methods: The study included children with suspected NHL referred to the Mulago National Referral Hospital, Kampala, Uganda, between 2004 and 2008. A clinical diagnosis was assigned at the Mulago National Referral Hospital, where tissue samples were also obtained. Hematoxylin and eosin-stained slides were used for histological diagnosis in Uganda, and were re-examined in a pathology laboratory in The Netherlands, where additional pathological, virological and serological testing was also carried out. Agreement between diagnostic sites was compared using kappa statistics.Results: Clinical and pathological diagnoses from Uganda and pathological diagnosis from The Netherlands was available for 118 children. The agreement between clinical and pathological diagnoses of NHL assigned in Uganda was 91% (95% confidence interval [CI] 84–95; kappa 0.84; P < 0
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Let's do science with children
Paolini, Mara
2013-04-01
The school where I worked in 2011,was for primary school teachers-to-be. Classes were formed by a high number of students with a handicapped student in each class. The school was attended mainly by girls with low self-esteem and difficulties in fulfilling their homework. Moreover secondary school students often find science far from their world and rather boring. So helping them understand the relationship between science and everyday life, between chemistry and society was my main objective . Simple / elementary experiments were chosen : if presented and carried out with scientific method, they can prove very useful in the development of specific abilities, from simple observation to the more complex and vital ability to grasp cause and effect relation. I think that the direct observation of facts and phenomena is the foundation to stimulate the process of learning and abstracting experiments: A. The pressure as a force, the behavior of the hot and cold water. 1. the implosion of the can 2. the candle 3. the balloon and the bottle 4. the egg in the bottle Monitoring and evaluation The direct observation of students during operations and final written reports were the ways which was evaluated the project. Results of the project carried out: The students were able to use scientific language correctly, to explain the phenomenon to primary school children using their own ideas. they also devised a table where to list the experiments carried out
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Managing voluntary turnover through challenging assignments
Preenen, P.T.Y.; de Pater, I.E.; van Vianen, A.E.M.; Keijzer, L.
2011-01-01
This study examines employees’ challenging assignments as manageable means to reduce turnover intentions, job search behaviors, and voluntary turnover. Results indicate that challenging assignments are negatively related to turnover intentions and job search behaviors and that these relationships
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Managing voluntary turnover through challenging assignments
Preenen, P.T.Y.; Pater, I.E. de; Vianen, A.E.M. van; Keijzer, L.
2011-01-01
This study examines employees' challenging assignments as manageable means to reduce turnover intentions, job search behaviors, and voluntary turnover. Results indicate that challenging assignments are negatively related to turnover intentions and job search behaviors and that these relationships
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Video Game Strategies as Predictors of Academic Achievement
Hamlen, Karla R.
2014-01-01
The purpose of this study was to investigate relationships between strategies students use to overcome challenges in both video games and homework assignments, and whether or not these are predictors of academic performance in school. Data were collected through an online survey of students, primarily in middle and high school, assessing both…
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Creating an Engaging Library Orientation: First Year Experience Courses at UC San Diego
Goldman, Crystal; Turnbow, Dominique; Roth, Amanda; Friedman, Lia; Heskett, Karen
2016-01-01
This article focuses on the development of an engaging library orientation module for UC San Diego First Year Experience (FYE) courses. The library module included a brief in-class presentation about research concepts and library services, an online interactive library scavenger hunt given as an in-class activity, and a homework assignment where…
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Creating a Successful Academic Climate for Urban Students
Slaughter, Terri
2009-01-01
Teaching students in the inner city has been likened to hugging a porcupine--teachers nudge them toward success while getting pricked along the way. Many urban students perform below proficiency level and are difficult to manage. Their apathy toward completing class assignments, let alone homework, compounds the problem. As a whole, educators do…
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The Effects of Feedback on Online Quizzes
Butler, Melanie; Pyzdrowski, Laura; Goodykoontz, Adam; Walker, Vennessa
2008-01-01
Online homework is unable to provide the detailed feedback of paper and pencil assignments. However, immediate feedback is an advantage that online assessments provide. A research study was conducted that focused on the effects of immediate feedback; students in 5 sections of a Pre-calculus course were participants. Three sections were randomly…
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Faculty Forum: Applying Motivation Theory to Real-World Problems
Harpine, Elaine Clanton
2007-01-01
This article examines the effectiveness of incorporating an applied learning experience in an upper level undergraduate motivation theory class. In this 3-part course requirement, students (a) participated in a 2-hr field experience, (b) completed a homework assignment based on their participation, and (c) worked in groups to develop a deeper…
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Schwieger, Dana
2015-01-01
Service learning projects serve as a valuable tool for applying course concepts in a way to benefit both the students and community. However, they often require a significant amount of additional effort beyond that required of assigning conventional homework problems. When the projects take place in an online course setting, the level of…
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Choices and Chances: The Sociology Role-Playing Game--The Sociological Imagination in Practice
Simpson, Joseph M.; Elias, Vicky L.
2011-01-01
This article introduces a sociology role-playing game (RPG) used to demonstrate the broad range of social forces, institutions, and structures in a semester-long series of in-class and homework assignments. RPGs and other simulation games have been frequently suggested as a useful teaching methodology because of their unique ability to allow…
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Using Online Games to Teach Personal Finance Concepts
Huang, Chin-Wen; Hsu, Chun-Pin
2011-01-01
This case study explores the use of online games to teach personal finance concepts at the college level. A number of free online games targeting such topics as budgeting and saving, risk and return, consumer credit, financial services, and investments were introduced to the experimental group as homework assignments. Statistical results indicate…
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Scaffolding students’ assignments
DEFF Research Database (Denmark)
Slot, Marie Falkesgaard
2013-01-01
This article discusses scaffolding in typical student assignments in mother tongue learning materials in upper secondary education in Denmark and the United Kingdom. It has been determined that assignments do not have sufficient scaffolding end features to help pupils understand concepts and build...... objects. The article presents the results of empirical research on tasks given in Danish and British learning materials. This work is based on a further development of my PhD thesis: “Learning materials in the subject of Danish” (Slot 2010). The main focus is how cognitive models (and subsidiary explicit...... learning goals) can help students structure their argumentative and communica-tive learning processes, and how various multimodal representations can give more open-ended learning possibilities for collaboration. The article presents a short introduction of the skills for 21st century learning and defines...
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Halim, Audrey S; Finkenstaedt-Quinn, Solaire A; Olsen, Laura J; Gere, Anne Ruggles; Shultz, Ginger V
2018-06-01
Student misconceptions are an obstacle in science, technology, engineering, and mathematics courses and unless remediated may continue causing difficulties in learning as students advance in their studies. Writing-to-learn assignments (WTL) are characterized by their ability to promote in-depth conceptual learning by allowing students to explore their understanding of a topic. This study sought to determine whether and what types of misconceptions are elicited by WTL assignments and how the process of peer review and revision leads to remediation or propagation of misconceptions. We examined four WTL assignments in an introductory biology course in which students first wrote about content by applying it to a realistic scenario, then participated in a peer-review process before revising their work. Misconceptions were identified in all four assignments, with the greatest number pertaining to protein structure and function. Additionally, in certain contexts, students used scientific terminology incorrectly. Analysis of the drafts and peer-review comments generated six profiles by which misconceptions were addressed through the peer-review process. The prevalent mode of remediation arose through directed peer-review comments followed by correction during revision. It was also observed that additional misconceptions were elicited as students revised their writing in response to general peer-review suggestions.
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Dickersin, K; Braun, L; Mead, M; Millikan, R; Wu, A M; Pietenpol, J; Troyan, S; Anderson, B; Visco, F
2001-12-01
To develop and implement Project LEAD (leadership, education, and advocacy development), a science course for breast cancer activists. Students were breast cancer activists and other consumers, mainly affiliated with advocacy organizations in the United States of America. Project LEAD is offered by the National Breast Cancer Coalition; the course takes place over 5 days and is offered 4 times a year, in various cities in the United States of America. The Project LEAD curriculum has developed over 5 years to include lectures, problem-based study groups, case studies, interactive critical appraisal sessions, a seminar by an 'expert' scientist, role play, and homework components. A core faculty has been valuable for evaluating and revising the course and has proved necessary to provide consistent high quality teaching. Course evaluations indicated that students gained critical appraisal skills, enhanced their knowledge and developed confidence in selected areas of basic science and epidemiology. Project LEAD comprises a unique curriculum for training breast cancer activists in science and critical appraisal. Course evaluations indicate that students gain confidence and skills from the course.
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Mars - robust automatic backbone assignment of proteins
International Nuclear Information System (INIS)
Jung, Young-Sang; Zweckstetter, Markus
2004-01-01
MARS a program for robust automatic backbone assignment of 13 C/ 15 N labeled proteins is presented. MARS does not require tight thresholds for establishing sequential connectivity or detailed adjustment of these thresholds and it can work with a wide variety of NMR experiments. Using only 13 C α / 13 C β connectivity information, MARS allows automatic, error-free assignment of 96% of the 370-residue maltose-binding protein. MARS can successfully be used when data are missing for a substantial portion of residues or for proteins with very high chemical shift degeneracy such as partially or fully unfolded proteins. Other sources of information, such as residue specific information or known assignments from a homologues protein, can be included into the assignment process. MARS exports its result in SPARKY format. This allows visual validation and integration of automated and manual assignment
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Assignment of element and isotope factors
International Nuclear Information System (INIS)
Schneider, R.A.
1984-01-01
Element and isotope factors are assigned in the NICS internal accounting system at the Exxon Fuel Fabrication Facility on the basis of coded information included on the material transfer documents. This paper explains more fully the manner in which NICS assigns these factors
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Inferential backbone assignment for sparse data
International Nuclear Information System (INIS)
Vitek, Olga; Bailey-Kellogg, Chris; Craig, Bruce; Vitek, Jan
2006-01-01
This paper develops an approach to protein backbone NMR assignment that effectively assigns large proteins while using limited sets of triple-resonance experiments. Our approach handles proteins with large fractions of missing data and many ambiguous pairs of pseudoresidues, and provides a statistical assessment of confidence in global and position-specific assignments. The approach is tested on an extensive set of experimental and synthetic data of up to 723 residues, with match tolerances of up to 0.5 ppm for C α and C β resonance types. The tests show that the approach is particularly helpful when data contain experimental noise and require large match tolerances. The keys to the approach are an empirical Bayesian probability model that rigorously accounts for uncertainty in the data at all stages in the analysis, and a hybrid stochastic tree-based search algorithm that effectively explores the large space of possible assignments
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Schuhart, Arthur L.
This is a two-part dissertation. The primary part is the text of a science-based composition rhetoric and reader called The Science Writing Tool. This textbook has seven chapters dealing with topics in Science Rhetoric. Each chapter includes a variety of examples of science writing, discussion questions, writing assignments, and instructional resources. The purpose of this text is to introduce lower-division college science majors to the role that rhetoric and communication plays in the conduct of Science, and how these skills contribute to a successful career in Science. The text is designed as a "tool kit," for use by an instructor constructing a science-based composition course or a writing-intensive Science course. The second part of this part of this dissertation reports on student reactions to draft portions of The Science Writing Tool text. In this report, students of English Composition II at Northern Virginia Community College-Annandale were surveyed about their attitudes toward course materials and topics included. The findings were used to revise and expand The Science Writing Tool.
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Davidson, Anne Burgess
Did the Third International Mathematics and Science Study (TIMSS) ask science teachers the right questions about their use of instructional time? Part I of this 2-part study used the TIMSS database to answer the question: Do 8th grade science teachers in the U.S., Czech Republic, Hungary, Japan, and Korea differ significantly in their perceived use of instructional time? Using the instructional activities in the TIMSS teacher question "How did the lesson proceed?" the teacher-reported times were analyzed using a repeated measures multivariate analysis. Significant differences were found between teacher-reported times in the U.S. and the other 4 TIMSS countries, whose 8th grade students outperformed U.S. students on TIMSS achievement tests. Post-hoc analysis indicated that TIMSS U.S. 8th grade science teachers report spending more time on homework in class, on group activities, and on lab activities, but less time on topic development, than TIMSS teachers from some or all of the other countries. Part II of this study further examined the question "How did the lesson proceed?" by videotaping 6 classes of 8th grade science in Alabama and Virginia and comparing observer coding of the video to the teachers' recalled descriptions of the same class. The difference between observer and teacher responses using TIMSS categories was not significant; however, 43% of the total variance was explained by whether the teacher or the observer reported the times for the instructional activities. The teachers also responded to questions from the NSF Local Systemic Change Through Teacher Enhancement K--8 Teacher Questionnaire to describe the same class. The difference found between the teacher and the observer coding was not significant, but the amount of variance explained by the data source (observer or teacher) dropped to 33% when using NSF student activity categories and to 26% when using NSF teacher activity categories. The conclusion of this study was that questionnaires to
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Workman Ford, K.; Ford, K. R.
2013-12-01
Undergraduate introductory geology courses are required in many colleges nationwide as part of the general education requirement. As a result, a large portion of those students are non-majors and most are not science majors. Textbooks used in these courses are often extensive with respect to the amount of material covered which tends to be overwhelming to the average student. Thus, students often purchase the pricey textbook but turn to their smartphones, notebooks, and laptops for answers. Before the development of the internet, students spent many hours in libraries and with their textbooks organizing and retrieving information. However, new technologies in the 21st century have essentially replaced traditional textbooks with students turning to online search engines, such as Google, to study and to complete homework assignments. Presently, online search engines may be more intuitive, but what's going on in the background isn't intuitive at all, and few students have a clear understanding of how search engines operate. Effectively this leads to students without the conception of how to build an adequate search strategy independent of search engines. Often, students are directed to online encyclopedias that may have erroneous information. Here, we employ an alternative to traditional textbooks and online search engines by implementing a guidebook with electronic resources for online activities and homework assignments. The proposed guidebook is roughly modeled after the American Geosciences Institute's Geoscience Handbook: AGI Data Sheets 4th, revised edition, and will include diagrams, graphs, charts, and pictures of basic geologic principles, processes, and earth materials. Along with the information, each topic will have online resources including sites for general reading, specific assignments that require visiting scientifically sound websites (i.e., USGS, GSA, AGU, Science, Nature), online self-assessment activities, and Google Earth activities. In addition
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Estee, Charles R., Ed.
1973-01-01
Introduces packaged learning modules in environmental and applied sciences education, general-education courses with emphases on chemistry impact on various institutions, methods of presenting homework solutions by tape cassettes, and experimental approaches to teaching of science for inservice elementary teachers in Vancouver, Canada. (CC)
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Web-Based Trainer for Electrical Circuit Analysis
Weyten, L.; Rombouts, P.; De Maeyer, J.
2009-01-01
A Web-based system for training electric circuit analysis is presented in this paper. It is centered on symbolic analysis techniques and it not only verifies the student's final answer, but it also tracks and coaches him/her through all steps of his/her reasoning path. The system mimics homework assignments, enhanced by immediate personalized…
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Crossroads: Quality of Life in a Nuclear World. A High School English Curriculum.
French, Dan; And Others
One of a set of high school curricula on nuclear issues, this 10-day unit for English classes informs students of the issues surrounding the nuclear arms race and military spending. Each lesson includes readings, worksheets, and a daily homework assignment and focuses on one of the following activities: discussion, brainstorming, role playing, or…
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Why Kids Need to Be Bored: A Case Study of Self-Reflection and Academic Performance
Williams, James D.
2006-01-01
This case study involved 3 middle school students in an assessment of the influence of self-reflection on general academic performance. It was hypothesized that increased self-reflection would have a positive influence on academic performance as measured by grades on tests, writing assignments, and homework. The participants were ages 13.4, 13.5,…
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Mechanism design visual and programmable approaches
Russell, Kevin; Sodhi, Raj S
2013-01-01
"… the book provides a lot of MATLAB® and SimMechanics examples. Students could benefit from the experience of solving the complex spatial synthesis problems using computer tools. The mathematics software tools are very efficient to do the displacement analysis, too."-Wen-Tzong Lee, National Pingtung University of Science and Technology, Neipu, Taiwan"The book covers a vast range of mechanism kinematics and design. The algorithm covering the topics presented is useful for mechanism design in class and homework assignments. The book provides an alternative modern tool, as compared to kinematics analysis methods based on Fortran or QuickBasic algorithms, covering all topics for mechanism design."-Thomas G. Chondros, University of Patras, Greece"… well elaborated for students at their first approach to the subject of mechanism design and its computation with MATLAB®."-Marco Ceccarelli, University of Cassino and South Latium, Italy.
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Fox, Justine E.; Glen, Nicole J.
2012-01-01
Have your students ever wondered what NASA scientists do? Have they asked you what their science and mathematics lessons have to do with the real world? This unit about Earth's atmosphere can help to answer both of those questions. The unit described here showcases "content specific integration" of science and mathematics in that the lessons meet…
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Dolenc, Nathan; Wood, Aja; Washburn, Megan; Batson, Yarden; Fan, Brittany; Dickens, Victoria; Armstrong, Shannon
2016-01-01
Role-play has been shown to increase student engagement and improve the overall classroom environment. When used effectively, role-play can transform a task or assignment to appear more like play than work. In this four-part lesson, role-play was used as a teaching strategy to engage students in learning the science and application of several…
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32 CFR 884.2 - Assigned responsibilities.
2010-07-01
... OF PERSONNEL TO UNITED STATES CIVILIAN AUTHORITIES FOR TRIAL § 884.2 Assigned responsibilities. (a... 32 National Defense 6 2010-07-01 2010-07-01 false Assigned responsibilities. 884.2 Section 884.2... requests for return of members to the United States for delivery to civilian authorities when the request...
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Van Waveren, J.P.; Rothkrantz, L.; Jongeneel, C.
2001-01-01
Even at secondary school, Jan Paul van Waveren spent more time on computer games than on his homework,though he doesnt seem to have suffered from it. At university he spent some of his time linking up personal computers with his friends, trying to blast each other to virtual smithereens in a game of
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Personnel dose assignment practices
International Nuclear Information System (INIS)
Fix, J.J.
1993-04-01
Implementation of DOE N 5480.6 Radiological Control Manual Article 511(3) requirements, to minimize the assignment of personnel dosimeters, should be done only under a broader context ensuring that capabilities are in place to monitor and record personnel exposure both for compliance and for potential litigation. As noted in NCRP Report No. 114, personnel dosimetry programs are conducted to meet four major objectives: radiation safety program control and evaluation; regulatory compliance; epidemiological research; and litigation. A change to Article 511(3) is proposed that would require that minimizing the assignment of personnel dosimeters take place only following full evaluation of overall capabilities (e.g., access control, area dosimetry, etc.) to meet the NCRP objectives
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Computational Aspects of Assigning Agents to a Line
DEFF Research Database (Denmark)
Aziz, Haris; Hougaard, Jens Leth; Moreno-Ternero, Juan D.
2017-01-01
-egalitarian assignments. The approach relies on an algorithm which is shown to be faster than general purpose algorithms for the assignment problem. We also extend the approach to probabilistic assignments and explore the computational features of existing, as well as new, methods for this setting....
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Computational aspects of assigning agents to a line
DEFF Research Database (Denmark)
Aziz, Haris; Hougaard, Jens Leth; Moreno-Ternero, Juan D.
2017-01-01
-egalitarian assignments. The approach relies on an algorithm which is shown to be faster than general purpose algorithms for the assignment problem. We also extend the approach to probabilistic assignments and explore the computational features of existing, as well as new, methods for this setting....
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Hardegree-Ullman, Kevin; Impey, C. D.; Patikkal, A.
2012-05-01
This year we implemented Teach Astronomy (www.teachastronomy.com) as a free online resource to be used as a teaching tool for non-science major astronomy courses and for a general audience interested in the subject. The comprehensive content includes: an introductory astronomy text book by Chris Impey, astronomy articles on Wikipedia, images from the Astronomy Picture of the Day, two to three minute topical video clips by Chris Impey, podcasts from 365 Days of Astronomy, and astronomy news from Science Daily. Teach Astronomy utilizes a novel technology to cluster, display, and navigate search results, called a Wikimap. Steep increases in textbook prices and the unique capabilities of emerging web technology motivated the development of this free online resource. Recent additions to Teach Astronomy include: images and diagrams for the textbook articles, mobile device implementation, and suggested homework assignments for instructors that utilize recent discoveries in astronomy. We present an overview of how Teach Astronomy has been implemented for use in the classroom and informal settings, and suggestions for utilizing the rich content and features of the web site.
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A Computerized Approach to Trickle-Process, Random Assignment.
Braucht, G. Nicholas; Reichardt, Charles S.
1993-01-01
Procedures for implementing random assignment with trickle processing and ways they can be corrupted are described. A computerized method for implementing random assignment with trickle processing is presented as a desirable alternative in many situations and a way of protecting against threats to assignment validity. (SLD)
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Writing Assignments that Promote Active Learning
Narayanan, M.
2014-12-01
Encourage students to write a detailed, analytical report correlating classroom discussions to an important historical event or a current event. Motivate students interview an expert from industry on a topic that was discussed in class. Ask the students to submit a report with supporting sketches, drawings, circuit diagrams and graphs. Propose that the students generate a complete a set of reading responses pertaining to an assigned topic. Require each student to bring in one comment or one question about an assigned reading. The assignment should be a recent publication in an appropriate journal. Have the students conduct a web search on an assigned topic. Ask them to generate a set of ideas that can relate to classroom discussions. Provide the students with a study guide. The study guide should provide about 10 or 15 short topics. Quiz the students on one or two of the topics. Encourage the students to design or develop some creative real-world examples based on a chapter discussed or a topic of interest. Require that students originate, develop, support and defend a viewpoint using a specifically assigned material. Make the students practice using or utilizing a set of new technical terms they have encountered in an assigned chapter. Have students develop original examples explaining the different terms. Ask the students to select one important terminology from the previous classroom discussions. Encourage the students to explain why they selected that particular word. Ask them to talk about the importance of the terminology from the point of view of their educational objectives and future career. Angelo, T. A. (1991). Ten easy pieces: Assessing higher learning in four dimensions. In T. A. Angelo (Ed.), Classroom research: Early lessons from success (pp. 17-31). New Directions for Teaching and Learning, No. 46. San Francisco: Jossey-Bass.
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An Approach to Teaching Organizational Skills to Adults
Issa, Sandra Tompson
2009-01-01
In English language teaching, it is not unusual to come across a student who seems to lack certain basic organizational skills. However, many of the language teaching techniques and materials require students to rely heavily on these skills. The use of textbooks and handouts, the assigning of tasks and homework, and the planning of a syllabus or…
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Difficulties in Science for women
Directory of Open Access Journals (Sweden)
Otilia Val Castillo
2017-01-01
Full Text Available When we think in scientists, we remember scientic men. What about scientic women? In ancient times women had been considered by men for homework, without right to study at the university. In the beginning Hypatia from Alejandria was a pioneer scientic woman but she was assassinated for not become Christian in 416. From then sex discrimination went on by ages.
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Wikipedia in Promoting Science Literary Skills in Primary Schools
Menon, Sunitha; Alias, Norlidah; DeWitt, Dorothy
2014-01-01
In learning Science, online environments allowing for user generated content are becoming increasingly important since they offer possibilities for learners to elaborate on assignments and projects. This study investigates how Wikipedia can serve as a means for enhancing science literary skills when students are encouraged to participate in…
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Detecting Plagiarism in MS Access Assignments
Singh, Anil
2013-01-01
Assurance of individual effort from students in computer-based assignments is a challenge. Due to digitization, students can easily use a copy of their friend's work and submit it as their own. Plagiarism in assignments puts students who cheat at par with those who work honestly and this compromises the learning evaluation process. Using a…
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Process-Based Development of Competence Models to Computer Science Education
Zendler, Andreas; Seitz, Cornelia; Klaudt, Dieter
2016-01-01
A process model ("cpm.4.CSE") is introduced that allows the development of competence models in computer science education related to curricular requirements. It includes eight subprocesses: (a) determine competence concept, (b) determine competence areas, (c) identify computer science concepts, (d) assign competence dimensions to…
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After-School Spaces: Looking for Learning in All the Right Places
Schnittka, Christine G.; Evans, Michael A.; Won, Samantha G. L.; Drape, Tiffany A.
2016-01-01
After-school settings provide youth with homework support, social outlets and fun activities, and help build self-confidence. They are safe places for forming relationships with caring adults. More after-school settings are starting to integrate Science, Technology, Engineering, and Mathematics (STEM) topics. What science skills and concepts might…
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A computer-assisted personalized approach in an undergraduate plant physiology class
Artus; Nadler
1999-04-01
We used Computer-Assisted Personalized Approach (CAPA), a networked teaching and learning tool that generates computer individualized homework problem sets, in our large-enrollment introductory plant physiology course. We saw significant improvement in student examination performance with regular homework assignments, with CAPA being an effective and efficient substitute for hand-graded homework. Using CAPA, each student received a printed set of similar but individualized problems of a conceptual (qualitative) and/or quantitative nature with quality graphics. Because each set of problems is unique, students were encouraged to work together to clarify concepts but were required to do their own work for credit. Students could enter answers multiple times without penalty, and they were able to obtain immediate feedback and hints until the due date. These features increased student time on task, allowing higher course standards and student achievement in a diverse student population. CAPA handles routine tasks such as grading, recording, summarizing, and posting grades. In anonymous surveys, students indicated an overwhelming preference for homework in CAPA format, citing several features such as immediate feedback, multiple tries, and on-line accessibility as reasons for their preference. We wrote and used more than 170 problems on 17 topics in introductory plant physiology, cataloging them in a computer library for general access. Representative problems are compared and discussed.
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A Computer-Assisted Personalized Approach in an Undergraduate Plant Physiology Class1
Artus, Nancy N.; Nadler, Kenneth D.
1999-01-01
We used Computer-Assisted Personalized Approach (CAPA), a networked teaching and learning tool that generates computer individualized homework problem sets, in our large-enrollment introductory plant physiology course. We saw significant improvement in student examination performance with regular homework assignments, with CAPA being an effective and efficient substitute for hand-graded homework. Using CAPA, each student received a printed set of similar but individualized problems of a conceptual (qualitative) and/or quantitative nature with quality graphics. Because each set of problems is unique, students were encouraged to work together to clarify concepts but were required to do their own work for credit. Students could enter answers multiple times without penalty, and they were able to obtain immediate feedback and hints until the due date. These features increased student time on task, allowing higher course standards and student achievement in a diverse student population. CAPA handles routine tasks such as grading, recording, summarizing, and posting grades. In anonymous surveys, students indicated an overwhelming preference for homework in CAPA format, citing several features such as immediate feedback, multiple tries, and on-line accessibility as reasons for their preference. We wrote and used more than 170 problems on 17 topics in introductory plant physiology, cataloging them in a computer library for general access. Representative problems are compared and discussed. PMID:10198076
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Flexible taxonomic assignment of ambiguous sequencing reads
Directory of Open Access Journals (Sweden)
Jansson Jesper
2011-01-01
Full Text Available Abstract Background To characterize the diversity of bacterial populations in metagenomic studies, sequencing reads need to be accurately assigned to taxonomic units in a given reference taxonomy. Reads that cannot be reliably assigned to a unique leaf in the taxonomy (ambiguous reads are typically assigned to the lowest common ancestor of the set of species that match it. This introduces a potentially severe error in the estimation of bacteria present in the sample due to false positives, since all species in the subtree rooted at the ancestor are implicitly assigned to the read even though many of them may not match it. Results We present a method that maps each read to a node in the taxonomy that minimizes a penalty score while balancing the relevance of precision and recall in the assignment through a parameter q. This mapping can be obtained in time linear in the number of matching sequences, because LCA queries to the reference taxonomy take constant time. When applied to six different metagenomic datasets, our algorithm produces different taxonomic distributions depending on whether coverage or precision is maximized. Including information on the quality of the reads reduces the number of unassigned reads but increases the number of ambiguous reads, stressing the relevance of our method. Finally, two measures of performance are described and results with a set of artificially generated datasets are discussed. Conclusions The assignment strategy of sequencing reads introduced in this paper is a versatile and a quick method to study bacterial communities. The bacterial composition of the analyzed samples can vary significantly depending on how ambiguous reads are assigned depending on the value of the q parameter. Validation of our results in an artificial dataset confirm that a combination of values of q produces the most accurate results.
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First Trimester Fetal Gender Assignment by Ultrasound
Directory of Open Access Journals (Sweden)
Sabahattin Altunyurt
2010-03-01
Full Text Available Objective: To investigate the efficiency of genital tubercule angle on detecting fetal gender in first trimester by ultrasonography. Material-Method: Fetal sex assignment by ultrasound was carried out in 172 pregnancies at 11-13+6 weeks between 2007 June and 2007 December. Gestational age was determined by the measurement of crown-rump length (CRL. The ultrasound predictions were compared with actual sex at birth. Mid-sagittal planes of a section of the fetal genital tubercle were performed to identify the gender. Results: 155 of 172 patients’ data were achieved. The overall success rate was 92.3 % in sonographic assignment of fetal sex. The correct assignment rate in female fetuses was significantly higher than males (95.9 % - 88.8 % [p=0,001]. The correct identification of fetal sex improved with advancing gestational age from 89.3 % between 11-11+6 weeks, 92.5 % between 12-12+6 weeks and 93.4 % between 13-13+6 weeks (p=0,96. Conclusion: The fetal sex assignment by ultrasonography between 11-13+6 weeks had high success rate. The sensitivity of fetal sex assignment was not affected with fetus position and gestational age.
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Historical WBAN ID Assignments
National Oceanic and Atmospheric Administration, Department of Commerce — 4"x6" index cards represent the first written assignments of Weather Bureau Army Navy (WBAN) station identifier numbers by the National Climatic Data Center....
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Cardamone, Carolin; Cobb, Bethany E.
2018-01-01
Over the last decade, web-based “citizen science” projects such as the Zooniverse have allowed volunteers and professional scientists to work together for the advancement of science. While much attention has been paid to the benefits to science from these new projects, less attention has been paid to their impact on the participants and, in particular, to the projects’ potential to impact students who might engage in these projects through coursework. We report on a study engaging students in introductory astronomy classes at the George Washington University and Wheelock College in an assignment in which each student individually contributed to a “physics” or “space” citizen science project of their choice, and groups of students worked together to understand and articulate the scientific purpose of a citizen science project to which they all contributed. Over the course of approximately four weeks, the students kept logs of their individual contributions to the project, and recorded a brief reflection on each of their visits (noting, for example, interesting or confusing things they might encounter along the way). The project culminated with each group delivering a creative presentation that demonstrated their understanding of both the science goals of the project and the value of their own contributions to the project. In this talk, we report on the experience of the students with the project and on an assessment of the students’ attitudes toward science and knowledge of the process of science completed before the introduction of the assignment and again at its conclusion.
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Directory of Open Access Journals (Sweden)
J.T.B. Oluwatimilehin
2012-04-01
Full Text Available This article investigates of the relationship between study habits and students’ academic achievement in core subjects at the junior secondary school level. The aim was to determine the relationship between various aspects of study habits including homework and assignments, time allocation, reading and note taking, study period procedures, concentration, written work, examination and teacher consultation and students’ achievement in English language, Mathematics, Integrated Science and Art. This was meant to provide clearer understanding of the phenomenon. The descriptive research design of an ex post facto approach was used in the study. A sample of 300 JS2 students was drawn using simple random sampling technique. A major hypothesis was raised leading to the application of correlation and stepwise linear regression analysis. Findings reveal that of all the study habits’ subscales, ‘teacher consultation’ was most influential while the ‘time allocation’ exercise, concentration, no taking reading and assignments were regarded as less integral to students’ academic performances. Therefore, regular counseling services to train students on study skills strategies were advocated in order to boost their study habit and enhance their academic achievement.
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SCRAED - Simple and Complex Random Assignment in Experimental Designs
Alferes, Valentim R.
2009-01-01
SCRAED is a package of 37 self-contained SPSS syntax files that performs simple and complex random assignment in experimental designs. For between-subjects designs, SCRAED includes simple random assignment (no restrictions, forced equal sizes, forced unequal sizes, and unequal probabilities), block random assignment (simple and generalized blocks), and stratified random assignment (no restrictions, forced equal sizes, forced unequal sizes, and unequal probabilities). For within-subject...
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Comparing Examples: WebAssign versus Textbook
Richards, Evan; Polak, Jeff; Hardin, Ashley; Risley, John, , Dr.
2005-11-01
Research shows students can learn from worked examples.^1 This pilot study compared two groups of students' performance (10 each) in solving physics problems. One group had access to interactive examples^2 released in WebAssign^3, while the other group had access to the counterpart textbook examples. Verbal data from students in problem solving sessions was collected using a think aloud protocol^4 and the data was analyzed using Chi's procedures.^5 An explanation of the methodology and results will be presented. Future phases of this pilot study based upon these results will also be discussed. ^1Atkinson, R.K., Derry, S.J., Renkl A., Wortham, D. (2000). ``Learning from Examples: Instructional Principles from the Worked Examples Research'', Review of Educational Research, vol. 70, n. 2, pp. 181-214. ^2Serway, R.A. & Faughn, J.S. (2006). College Physics (7^th ed.). Belmont, CA: Thomson Brooks/Cole. ^3 see www.webassign.net ^4 Ericsson, K.A. & Simon, H.A. (1984). Protocol Analysis: Verbal Reports as Data. Cambridge, Massachusetts: The MIT Press. ^5 Chi, Michelene T.H. (1997). ``Quantifying Qualitative Analyses of Verbal Data: A Practical Guide,'' The Journal of the Learning Sciences, vol. 6, n. 3, pp. 271-315.
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Search Results | Page 3 | IDRC - International Development ...
International Development Research Centre (IDRC) Digital Library (Canada)
... Governance 3 Apply Governance filter · Science and Technology 3 Apply Science and .... of Women and Girls builds on IDRC's history as a key development fund ... conditions of homeworkers and seek to improve business practices in global ... the objective of social and economic advancement — particularly of women,” ...
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Search Results | Page 3 | IDRC - International Development ...
International Development Research Centre (IDRC) Digital Library (Canada)
... Governance 3 Apply Governance filter · Science and Technology 3 Apply Science and ... of Women and Girls builds on IDRC's history as a key development fund ... conditions of homeworkers and seek to improve business practices in global ... the objective of social and economic advancement — particularly of women,” ...
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GENERAL ISSUES CONCERNING THE ASSIGNMENT OF SOCIAL PARTS
Directory of Open Access Journals (Sweden)
Stela Mihăilescu
2012-11-01
Full Text Available By means of the present study, we try to offer a thorough image and an analysis concerning the assignment mode of social parts within a company having limited liability. The assignment of social parts is free and unrestricted except for the cases provided by article 202, paragraph 2 from Law no. 31/ 1990- the law of commercial companies with further modifications and completions and the ones provided in OUG no. 54/ 2010 concerning some measures for fighting fiscal evasion. By means of the assignment operation a transmission is made up by an assignment of social parts contract towards one or more already associated persons in the company or towards other individual or legal persons who are going to obtain the associate quality. The principle governing any assignment is the one of goods circulation freedom, a freedom restricted only by the public order and imperative judicial norms.
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Enhancing Parent Involvement in NC-CCSS for K-2 Mathematics
Johnson, D.
2014-12-01
Key Terms:Parent Involvement, Common Core State Standards, Homework, K - 2 Mathematics In this study, the 2014 REU math team developed and provided a workshop that assisted parents in understanding the North Carolina Common Core State Standards for K-2 Mathematics to assist with student homework assignments. Parent involvement is defined as parent participating in the educational processes and experiences of their children. A chi-square analysis was used to analyze data collected from the pre survey and the post survey administered to participants in the workshop. The study revealed all of the individual components of parent involvement were positively and significantly related to educational goals. The study identified various aspects of parent involvement that yielded statistically significant results in affirming that parent involvement attributed to urban student achievement. These findings were particularly helpful for indicating which kinds of parent involvement influenced academic success. Most notably, parent expectations and styles demonstrated a strong relationship with scholastic outcomes. Parent expectations and styles created an educationally oriented ambience that established an understanding of the certain level of support the child needed to succeed academically. The REU mathematics team focused on three essential questions in this study: (1) What practices will increase parent awareness of K-2 NC-CCSS for mathematics at P. W. Moore Elementary School? (2) What methods can be used to strengthen parent skills in assisting with mathematics homework assignments at P. W. Moore Elementary School? (3) What actions can be taken to motivate parent involvement in the school improvement process focusing on mathematics at P. W. Moore Elementary School?
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Learning to Teach Inquiry: A Beginning Science Teacher of English Language Learners
Ortega, Irasema; Luft, Julie A.; Wong, Sissy S.
2013-01-01
Early career science teachers are often assigned to classrooms with high numbers of English language learners (ELLs). For the underprepared early career science teacher, these circumstances are challenging. This study examines the changes in beliefs and practices of an early career science teacher who taught high numbers of ELLs in an urban…
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Stress Assignment in Reading Italian Polysyllabic Pseudowords
Sulpizio, Simone; Arduino, Lisa S.; Paizi, Despina; Burani, Cristina
2013-01-01
In 4 naming experiments we investigated how Italian readers assign stress to pseudowords. We assessed whether participants assign stress following distributional information such as stress neighborhood (the proportion and number of existent words sharing orthographic ending and stress pattern) and whether such distributional information affects…
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Assigning breed origin to alleles in crossbred animals.
Vandenplas, Jérémie; Calus, Mario P L; Sevillano, Claudia A; Windig, Jack J; Bastiaansen, John W M
2016-08-22
For some species, animal production systems are based on the use of crossbreeding to take advantage of the increased performance of crossbred compared to purebred animals. Effects of single nucleotide polymorphisms (SNPs) may differ between purebred and crossbred animals for several reasons: (1) differences in linkage disequilibrium between SNP alleles and a quantitative trait locus; (2) differences in genetic backgrounds (e.g., dominance and epistatic interactions); and (3) differences in environmental conditions, which result in genotype-by-environment interactions. Thus, SNP effects may be breed-specific, which has led to the development of genomic evaluations for crossbred performance that take such effects into account. However, to estimate breed-specific effects, it is necessary to know breed origin of alleles in crossbred animals. Therefore, our aim was to develop an approach for assigning breed origin to alleles of crossbred animals (termed BOA) without information on pedigree and to study its accuracy by considering various factors, including distance between breeds. The BOA approach consists of: (1) phasing genotypes of purebred and crossbred animals; (2) assigning breed origin to phased haplotypes; and (3) assigning breed origin to alleles of crossbred animals based on a library of assigned haplotypes, the breed composition of crossbred animals, and their SNP genotypes. The accuracy of allele assignments was determined for simulated datasets that include crosses between closely-related, distantly-related and unrelated breeds. Across these scenarios, the percentage of alleles of a crossbred animal that were correctly assigned to their breed origin was greater than 90 %, and increased with increasing distance between breeds, while the percentage of incorrectly assigned alleles was always less than 2 %. For the remaining alleles, i.e. 0 to 10 % of all alleles of a crossbred animal, breed origin could not be assigned. The BOA approach accurately assigns
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Fort Collins Science Center fiscal year 2010 science accomplishments
Wilson, Juliette T.
2011-01-01
The scientists and technical professionals at the U.S. Geological Survey (USGS), Fort Collins Science Center (FORT), apply their diverse ecological, socioeconomic, and technological expertise to investigate complicated ecological problems confronting managers of the Nation's biological resources. FORT works closely with U.S. Department of the Interior (DOI) agency scientists, the academic community, other USGS science centers, and many other partners to provide critical information needed to help answer complex natural-resource management questions. In Fiscal Year 2010 (FY10), FORT's scientific and technical professionals conducted ongoing, expanded, and new research vital to the science needs and management goals of DOI, other Federal and State agencies, and nongovernmental organizations in the areas of aquatic systems and fisheries, climate change, data and information integration and management, invasive species, science support, security and technology, status and trends of biological resources (including the socioeconomic aspects), terrestrial and freshwater ecosystems, and wildlife resources, including threatened and endangered species. This report presents selected FORT science accomplishments for FY10 by the specific USGS mission area or science program with which each task is most closely associated, though there is considerable overlap. The report also includes all FORT publications and other products published in FY10, as well as staff accomplishments, appointments, committee assignments, and invited presentations.
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Grams, Michael
2011-01-01
Recently when teaching a first-semester calculus-based physics course for engineers, I was perplexed by a particular group of students. These individuals were able to solve nearly every homework problem assigned from the end-of-chapter exercises in our textbook, and in some cases were able to do so using methods that we had not covered in class.…
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Art Journals: High-School Students Get Personal
McKay, Jackie
2012-01-01
For some time, the author has wanted her advanced 11th- and 12th-grade art students to not just create in the classroom, but also at home. When this was not achieved with standard sketchbook assignments, she decided to "spice up" their homework/sketchbook experience by having them create their own artists' journals. She got her idea from a book by…
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Integer Linear Programming for Constrained Multi-Aspect Committee Review Assignment
Karimzadehgan, Maryam; Zhai, ChengXiang
2011-01-01
Automatic review assignment can significantly improve the productivity of many people such as conference organizers, journal editors and grant administrators. A general setup of the review assignment problem involves assigning a set of reviewers on a committee to a set of documents to be reviewed under the constraint of review quota so that the reviewers assigned to a document can collectively cover multiple topic aspects of the document. No previous work has addressed such a setup of committee review assignments while also considering matching multiple aspects of topics and expertise. In this paper, we tackle the problem of committee review assignment with multi-aspect expertise matching by casting it as an integer linear programming problem. The proposed algorithm can naturally accommodate any probabilistic or deterministic method for modeling multiple aspects to automate committee review assignments. Evaluation using a multi-aspect review assignment test set constructed using ACM SIGIR publications shows that the proposed algorithm is effective and efficient for committee review assignments based on multi-aspect expertise matching. PMID:22711970
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Hsu, Pei-Ling
2018-05-01
Internships in science research settings have received increasing attention as a means of helping students construct appropriate understandings, practices, tools, and language in scientific activities. To advance student-scientist partnerships beyond the status quo, the study aimed to investigate how cogenerative dialogs (cogens) may help high school students and scientists identify and address challenges collectively. The analysis identified nine major challenges discussed during cogens: (1) the quality and progress of scientific practice in laboratories, (2) the quality of scientists'/assistants' instructions in classrooms, (3) the quality of student participation in classrooms and homework, (4) students' absences, including arriving late or leaving early, (5) the quality of administrative support, (6) preparation for scientific presentations, (7) the process of deciding project topics, (8) students' peer interactions and communication, and (9) students' physiological needs. The three most salient challenges were "the quality and progress of scientific practice in laboratories" (39%), "the quality of scientists'/assistants' instructions in classrooms" (20%), and "the quality of student participation in classrooms and homework" (17%). The study shows that cogens allowed students and scientists to agree on teaching modifications that positively influenced teaching and learning processes during the internship, such that issues were reduced from the beginning to the closing stages. Importantly, the challenges and solutions identified by students and scientists in this study provide accounts of first-hand experience as well as insights to aid program directors or coordinators in designing a learning environment that can foster effective practice for internships by avoiding the issues identified in the study.
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Assignment and Correspondence Tracking System - Tactical / Operational Reporting
Social Security Administration — Reporting data store for the Assignment and Correspondence Tracking System (ACT). ACT automates the assignment and tracking of correspondence processing within the...
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Statistical aspects of optimal treatment assignment
van der Linden, Willem J.
1980-01-01
The issues of treatment assignment is ordinarily dealt with within the framework of testing aptitude treatment interaction (ATI) hypothesis. ATI research mostly uses linear regression techniques, and an ATI exists when the aptitude treatment (AT) regression lines cross each other within the relevant interval of the aptitude variable. Consistent with this approach is the use of the points of interaction of AT regression lines as treatment-assignment rule. The replacement of such rules by monot...
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Journal of Genetics | Indian Academy of Sciences
Indian Academy of Sciences (India)
... Oryza sativa; indica rice; cDNA libraries; rice genome; drought tolerance. ... Putative functions were assigned at a stringency E value of 10-6 in BLASTN and ... School of Life Sciences, University of Hyderabad, Hyderabad 500 046, India ...
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Casadevall, Arturo; Fang, Ferric C
2015-12-01
In contrast to many other human endeavors, science pays little attention to its history. Fundamental scientific discoveries are often considered to be timeless and independent of how they were made. Science and the history of science are regarded as independent academic disciplines. Although most scientists are aware of great discoveries in their fields and their association with the names of individual scientists, few know the detailed stories behind the discoveries. Indeed, the history of scientific discovery is sometimes recorded only in informal accounts that may be inaccurate or biased for self-serving reasons. Scientific papers are generally written in a formulaic style that bears no relationship to the actual process of discovery. Here we examine why scientists should care more about the history of science. A better understanding of history can illuminate social influences on the scientific process, allow scientists to learn from previous errors, and provide a greater appreciation for the importance of serendipity in scientific discovery. Moreover, history can help to assign credit where it is due and call attention to evolving ethical standards in science. History can make science better. Copyright © 2015, American Society for Microbiology. All Rights Reserved.
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The Geological Grading Scale: Every million Points Counts!
Stegman, D. R.; Cooper, C. M.
2006-12-01
The concept of geological time, ranging from thousands to billions of years, is naturally quite difficult for students to grasp initially, as it is much longer than the timescales over which they experience everyday life. Moreover, universities operate on a few key timescales (hourly lectures, weekly assignments, mid-term examinations) to which students' maximum attention is focused, largely driven by graded assessment. The geological grading scale exploits the overwhelming interest students have in grades as an opportunity to instill familiarity with geological time. With the geological grading scale, the number of possible points/marks/grades available in the course is scaled to 4.5 billion points --- collapsing the entirety of Earth history into one semester. Alternatively, geological time can be compressed into each assignment, with scores for weekly homeworks not worth 100 points each, but 4.5 billion! Homeworks left incomplete with questions unanswered lose 100's of millions of points - equivalent to missing the Paleozoic era. The expected quality of presentation for problem sets can be established with great impact in the first week by docking assignments an insignificant amount points for handing in messy work; though likely more points than they've lost in their entire schooling history combined. Use this grading scale and your students will gradually begin to appreciate exactly how much time represents a geological blink of the eye.
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7 CFR 1900.5 - Assignment of cases.
2010-01-01
... 7 Agriculture 12 2010-01-01 2010-01-01 false Assignment of cases. 1900.5 Section 1900.5 Agriculture Regulations of the Department of Agriculture (Continued) RURAL HOUSING SERVICE, RURAL BUSINESS... REGULATIONS GENERAL Delegations of Authority § 1900.5 Assignment of cases. The State Director may, in writing...
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A New Approach to Teaching Science to Elementary Education Majors in Response to the NGSS
Brevik, C.; Daniels, L.; McCoy, C.
2015-12-01
The Next Generation Science Standards (NGSS) place an equal emphasis on science process skills and science content. The goal is to have K-12 students "doing" science, not just "learning about" science. However, most traditional college science classes for elementary education majors place a much stronger emphasis on science content knowledge with the hands-on portion limited to a once-a-week lab. The two models of instruction are not aligned. The result is that many elementary school teachers are unprepared to offer interactive science with their students. Without additional coaching, many teachers fall back on the format they learned in college - lecture, handouts, homework. If we want teachers to use more hands-on methods in the classroom, these techniques should be taught to elementary education majors when they are in college. Dickinson State University has begun a collaboration between the Teacher Education Department and the Department of Natural Sciences. The physical science course for elementary education majors has been completely redesigned to focus equally on the needed science content and the science process skills emphasized by the NGSS. The format of the course has been adjusted to more closely mirror a traditional K-5 classroom; the course meets for 50 minutes five days a week. A flipped-classroom model has been adopted to ensure no content is lost, and hands-on activities are done almost every day as new concepts are discussed. In order to judge the effectiveness of these changes, a survey tool was administered to determine if there was a shift in the students' perception of science as an active instead of a passive field of study. The survey also measured the students' comfort-level in offering a hands-on learning environment in their future classrooms and their confidence in their ability to effectively teach science concepts to elementary students. Results from the first year of the study will be presented.
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A probabilistic approach for validating protein NMR chemical shift assignments
International Nuclear Information System (INIS)
Wang Bowei; Wang, Yunjun; Wishart, David S.
2010-01-01
It has been estimated that more than 20% of the proteins in the BMRB are improperly referenced and that about 1% of all chemical shift assignments are mis-assigned. These statistics also reflect the likelihood that any newly assigned protein will have shift assignment or shift referencing errors. The relatively high frequency of these errors continues to be a concern for the biomolecular NMR community. While several programs do exist to detect and/or correct chemical shift mis-referencing or chemical shift mis-assignments, most can only do one, or the other. The one program (SHIFTCOR) that is capable of handling both chemical shift mis-referencing and mis-assignments, requires the 3D structure coordinates of the target protein. Given that chemical shift mis-assignments and chemical shift re-referencing issues should ideally be addressed prior to 3D structure determination, there is a clear need to develop a structure-independent approach. Here, we present a new structure-independent protocol, which is based on using residue-specific and secondary structure-specific chemical shift distributions calculated over small (3-6 residue) fragments to identify mis-assigned resonances. The method is also able to identify and re-reference mis-referenced chemical shift assignments. Comparisons against existing re-referencing or mis-assignment detection programs show that the method is as good or superior to existing approaches. The protocol described here has been implemented into a freely available Java program called 'Probabilistic Approach for protein Nmr Assignment Validation (PANAV)' and as a web server (http://redpoll.pharmacy.ualberta.ca/PANAVhttp://redpoll.pharmacy.ualberta.ca/PANAV) which can be used to validate and/or correct as well as re-reference assigned protein chemical shifts.
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Testing the Effectiveness of Online Assignments in Theory of Finance
Batu, Michael; Bower, Nancy; Lun, Esmond; Sadanand, Asha
2018-01-01
The authors investigated the effectiveness of online versus paper assignments using final examination scores in three cohorts of theory of finance. In particular, two cohorts were exposed to online assignments while another cohort was exposed to traditional assignments. The central result is that exposure to online assignments robustly leads to…
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History of Science and Technology - I.
Mauskopf, Seymour; Roland, Alex
1987-01-01
Describes a one-semester course designed to examine the relationship between science and technology in Western civilization during the period between the earliest organized social life and the inception of the Industrial Revolution. Includes a list of readings, schedule of topics and assignments, and student requirements. (TW)
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Field Botany and Creative Writing: Where the Science of Writing Meets the Writing of Science
Killingbeck, Keith
2006-01-01
Merging science and writing to enhance both subjects was the objective of a venture known as "Plant Notes." At first, teacher-written notes served as the inspiration for this writing assignment. Later, eclectic student-written novellas, poems, song lyrics, mnemonic devices, and field trip recollections made their way into "Plant Notes" and stole…
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12 CFR 563e.28 - Assigned ratings.
2010-01-01
... 12 Banks and Banking 5 2010-01-01 2010-01-01 false Assigned ratings. 563e.28 Section 563e.28 Banks... for Assessing Performance § 563e.28 Assigned ratings. (a) Ratings in general. Subject to paragraphs (b... performance under the lending, investment and service tests, the community development test, the small savings...
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Privacy-Preserving Task Assignment in Spatial Crowdsourcing
Liu, An
2017-09-20
With the progress of mobile devices and wireless networks, spatial crowdsourcing (SC) is emerging as a promising approach for problem solving. In SC, spatial tasks are assigned to and performed by a set of human workers. To enable effective task assignment, however, both workers and task requesters are required to disclose their locations to untrusted SC systems. In this paper, we study the problem of assigning workers to tasks in a way that location privacy for both workers and task requesters is preserved. We first combine the Paillier cryptosystem with Yao’s garbled circuits to construct a secure protocol that assigns the nearest worker to a task. Considering that this protocol cannot scale to a large number of workers, we then make use of Geohash, a hierarchical spatial index to design a more efficient protocol that can securely find approximate nearest workers. We theoretically show that these two protocols are secure against semi-honest adversaries. Through extensive experiments on two real-world datasets, we demonstrate the efficiency and effectiveness of our protocols.
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Incorporating breeding abundance into spatial assignments on continuous surfaces.
Rushing, Clark S; Marra, Peter P; Studds, Colin E
2017-06-01
Determining the geographic connections between breeding and nonbreeding populations, termed migratory connectivity, is critical to advancing our understanding of the ecology and conservation of migratory species. Assignment models based on stable isotopes historically have been an important tool for studying migratory connectivity of small-bodied species, but the low resolution of these assignments has generated interest into combining isotopes with other sources in information. Abundance is one of the most appealing data sources to include in isotope-based assignments, but there are currently no statistical methods or guidelines for optimizing the contribution of stable isotopes and abundance for inferring migratory connectivity. Using known-origin stable-hydrogen isotope samples of six Neotropical migratory bird species, we rigorously assessed the performance of assignment models that differentially weight the contribution of the isotope and abundance data. For two species with adequate sample sizes, we used Pareto optimality to determine the set of models that simultaneously minimized both assignment error rate and assignment area. We then assessed the ability of the top models from these two species to improve assignments of the remaining four species compared to assignments based on isotopes alone. We show that the increased precision of models that include abundance is often offset by a large increase in assignment error. However, models that optimally weigh the abundance data relative to the isotope data can result in higher precision and, in some cases, lower error than models based on isotopes alone. The top models, however, depended on the distribution of relative breeding abundance, with patchier distributions requiring stronger downweighting of abundance, and we present general guidelines for future studies. These results confirm that breeding abundance can be an important source of information for studies investigating broad-scale movements of
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The Effects of Locus of Control and Task Difficulty on Procrastination.
Janssen, Tracy; Carton, John S
1999-12-01
The authors investigated the effects of locus of control expectancies and task difficulty on procrastination. Forty-two college students were administered an academic locus of control scale and a task that was similar to a typical college homework assignment. The students were randomly assigned to 1 of 2 task difficulty levels. Although none of the results involving task difficulty was significant, several results involving locus of control were significant. Specifically, analyses revealed that students with internal locus of control expectancies tended to begin working on the assignment sooner than students with external locus of control expectancies. In addition, students with internal locus of control completed and returned the assignment sooner than students with external locus of control. The results are discussed within the context of J. B. Rotter's (1966, 1975, 1982) social learning theory.
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Cotabish, Alicia; Dailey, Deborah; Hughes, Gail D.; Robinson, Ann
2011-01-01
In order to increase the quality and quantity of science instruction, elementary teachers must receive professional development in science learning processes. The current study was part of a larger randomized field study of teacher and student learning in science. In two districts in a southern state, researchers randomly assigned teacher…
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Learning Science Process Through Data Exploration and Writing
Prothero, W. A.
2007-12-01
One of the most effective ways of teaching science process is to have students take part in the same activities that practicing scientists engage in. These activities include studying the current research in the field, discussing ideas with colleagues, formulating a research problem, making a proposal defining the problem and plan of attack, presenting and writing about the results of the study, and critically reviewing the work of others. An inquiry curriculum can use these activities to guide the scaffolding of assignments and learning experiences that help students learn science process. At UCSB, students in a large general education oceanography class use real Earth data to study plate tectonics, the Indian Monsoon, climate change, and the health of the world fisheries. The end product for each subject has been a science paper based on Earth data. Over a period of approximately 15 years, the scaffolding of activities to prepare each student for the written assignments has been modified and improved, in response to student feedback and their success with the assignments. I have found that the following resources and sequence of activities help the oceanography students write good science papers. 1. Lecture: motivation and the opportunity for feedback and questions. 2. Textbook: background information. It is also possible to get the information from the internet, but unless the scope of reading is strictly defined, students don't know when to stop reading and become unhappy. 3. Online assignments: automatically graded assignments that force the student to keep up with reading. 4. Questions of the day: in-class handouts, with diagrams that the students either complete, or answer questions about. They are handed in and tallied, but not graded. They also inform the instructor of misconceptions. 5. Thought questions: student answers are posted on a threaded discussion list, and are due prior to lecture. The answers provide instructor feedback and guide the lecture
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Behavioral self-regulation in a physics class
Stewart, John; DeVore, Seth; Stewart, Gay; Michaluk, Lynnette
2016-06-01
This study examined the regulation of out-of-class time invested in the academic activities associated with a physics class for 20 consecutive semesters. The academic activities of 1676 students were included in the study. Students reported investing a semester average of 6.5 ±2.9 h out of class per week. During weeks not containing an examination, a total of 4.3 ±2.1 h was reported which was divided between 2.5 ±1.2 h working homework and 1.8 ±1.4 h reading. Students reported spending 7.6 ±4.8 h preparing for each in-semester examination. Students showed a significant correlation between the change in time invested in examination preparation (r =-0.12 , p Students also modified their time invested in reading as the length of the textbook changed; however, this modification was not proportional to the size of the change in textbook length. Very little regulation of the time invested in homework was detected either in response to test grades or in response to changes in the length of homework assignments. Patterns of regulation were different for higher performing students than for lower performing students with students receiving a course grade of "C" or "D" demonstrating little change in examination preparation time in response to lower examination grades. This study suggests that homework preparation time is a fixed variable while examination preparation time and reading time are weakly mutable variables.
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Dual earners’ willingness to accept an international assignment.
van der Velde, E.G.; Bossink, C.J.H.; Jansen, P.G.W.
2005-01-01
Multinational organisations experience difficulties in finding managers willing to accept international assignments. This study has therefore focused on factors that can predict males' and females' willingness to accept international assignments, or to follow their partners on international
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Dominguez-Martinez, S.
2009-01-01
An important task of a manager is to motivate her subordinates. One way in which a manager can give incentives to junior employees is through the assignment of tasks. How a manager allocates tasks in an organization, provides information to the junior employees about his ability. Without coaching
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Student Leadership in Small Group Science Inquiry
Oliveira, Alandeom W.; Boz, Umit; Broadwell, George A.; Sadler, Troy D.
2014-01-01
Background: Science educators have sought to structure collaborative inquiry learning through the assignment of static group roles. This structural approach to student grouping oversimplifies the complexities of peer collaboration and overlooks the highly dynamic nature of group activity. Purpose: This study addresses this issue of…
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Subcarrier Group Assignment for MC-CDMA Wireless Networks
Directory of Open Access Journals (Sweden)
Le-Ngoc Tho
2007-01-01
Full Text Available Two interference-based subcarrier group assignment strategies in dynamic resource allocation are proposed for MC-CDMA wireless systems to achieve high throughput in a multicell environment. Least interfered group assignment (LIGA selects for each session the subcarrier group on which the user receives the minimum interference, while best channel ratio group assignment (BCRGA chooses the subcarrier group with the largest channel response-to-interference ratio. Both analytical framework and simulation model are developed for evaluation of throughput distribution of the proposed schemes. An iterative approach is devised to handle the complex interdependency between multicell interference profiles in the throughput analysis. Illustrative results show significant throughput improvement offered by the interference-based assignment schemes for MC-CDMA multicell wireless systems. In particular, under low loading conditions, LIGA renders the best performance. However, as the load increases BCRGA tends to offer superior performance.
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Subcarrier Group Assignment for MC-CDMA Wireless Networks
Directory of Open Access Journals (Sweden)
Tho Le-Ngoc
2007-12-01
Full Text Available Two interference-based subcarrier group assignment strategies in dynamic resource allocation are proposed for MC-CDMA wireless systems to achieve high throughput in a multicell environment. Least interfered group assignment (LIGA selects for each session the subcarrier group on which the user receives the minimum interference, while best channel ratio group assignment (BCRGA chooses the subcarrier group with the largest channel response-to-interference ratio. Both analytical framework and simulation model are developed for evaluation of throughput distribution of the proposed schemes. An iterative approach is devised to handle the complex interdependency between multicell interference profiles in the throughput analysis. Illustrative results show significant throughput improvement offered by the interference-based assignment schemes for MC-CDMA multicell wireless systems. In particular, under low loading conditions, LIGA renders the best performance. However, as the load increases BCRGA tends to offer superior performance.
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RNA-PAIRS: RNA probabilistic assignment of imino resonance shifts
International Nuclear Information System (INIS)
Bahrami, Arash; Clos, Lawrence J.; Markley, John L.; Butcher, Samuel E.; Eghbalnia, Hamid R.
2012-01-01
The significant biological role of RNA has further highlighted the need for improving the accuracy, efficiency and the reach of methods for investigating RNA structure and function. Nuclear magnetic resonance (NMR) spectroscopy is vital to furthering the goals of RNA structural biology because of its distinctive capabilities. However, the dispersion pattern in the NMR spectra of RNA makes automated resonance assignment, a key step in NMR investigation of biomolecules, remarkably challenging. Herein we present RNA Probabilistic Assignment of Imino Resonance Shifts (RNA-PAIRS), a method for the automated assignment of RNA imino resonances with synchronized verification and correction of predicted secondary structure. RNA-PAIRS represents an advance in modeling the assignment paradigm because it seeds the probabilistic network for assignment with experimental NMR data, and predicted RNA secondary structure, simultaneously and from the start. Subsequently, RNA-PAIRS sets in motion a dynamic network that reverberates between predictions and experimental evidence in order to reconcile and rectify resonance assignments and secondary structure information. The procedure is halted when assignments and base-parings are deemed to be most consistent with observed crosspeaks. The current implementation of RNA-PAIRS uses an initial peak list derived from proton-nitrogen heteronuclear multiple quantum correlation ( 1 H– 15 N 2D HMQC) and proton–proton nuclear Overhauser enhancement spectroscopy ( 1 H– 1 H 2D NOESY) experiments. We have evaluated the performance of RNA-PAIRS by using it to analyze NMR datasets from 26 previously studied RNAs, including a 111-nucleotide complex. For moderately sized RNA molecules, and over a range of comparatively complex structural motifs, the average assignment accuracy exceeds 90%, while the average base pair prediction accuracy exceeded 93%. RNA-PAIRS yielded accurate assignments and base pairings consistent with imino resonances for a
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RNA-PAIRS: RNA probabilistic assignment of imino resonance shifts
Energy Technology Data Exchange (ETDEWEB)
Bahrami, Arash; Clos, Lawrence J.; Markley, John L.; Butcher, Samuel E. [National Magnetic Resonance Facility at Madison (United States); Eghbalnia, Hamid R., E-mail: eghbalhd@uc.edu [University of Cincinnati, Department of Molecular and Cellular Physiology (United States)
2012-04-15
The significant biological role of RNA has further highlighted the need for improving the accuracy, efficiency and the reach of methods for investigating RNA structure and function. Nuclear magnetic resonance (NMR) spectroscopy is vital to furthering the goals of RNA structural biology because of its distinctive capabilities. However, the dispersion pattern in the NMR spectra of RNA makes automated resonance assignment, a key step in NMR investigation of biomolecules, remarkably challenging. Herein we present RNA Probabilistic Assignment of Imino Resonance Shifts (RNA-PAIRS), a method for the automated assignment of RNA imino resonances with synchronized verification and correction of predicted secondary structure. RNA-PAIRS represents an advance in modeling the assignment paradigm because it seeds the probabilistic network for assignment with experimental NMR data, and predicted RNA secondary structure, simultaneously and from the start. Subsequently, RNA-PAIRS sets in motion a dynamic network that reverberates between predictions and experimental evidence in order to reconcile and rectify resonance assignments and secondary structure information. The procedure is halted when assignments and base-parings are deemed to be most consistent with observed crosspeaks. The current implementation of RNA-PAIRS uses an initial peak list derived from proton-nitrogen heteronuclear multiple quantum correlation ({sup 1}H-{sup 15}N 2D HMQC) and proton-proton nuclear Overhauser enhancement spectroscopy ({sup 1}H-{sup 1}H 2D NOESY) experiments. We have evaluated the performance of RNA-PAIRS by using it to analyze NMR datasets from 26 previously studied RNAs, including a 111-nucleotide complex. For moderately sized RNA molecules, and over a range of comparatively complex structural motifs, the average assignment accuracy exceeds 90%, while the average base pair prediction accuracy exceeded 93%. RNA-PAIRS yielded accurate assignments and base pairings consistent with imino
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Interactive visual exploration and refinement of cluster assignments.
Kern, Michael; Lex, Alexander; Gehlenborg, Nils; Johnson, Chris R
2017-09-12
With ever-increasing amounts of data produced in biology research, scientists are in need of efficient data analysis methods. Cluster analysis, combined with visualization of the results, is one such method that can be used to make sense of large data volumes. At the same time, cluster analysis is known to be imperfect and depends on the choice of algorithms, parameters, and distance measures. Most clustering algorithms don't properly account for ambiguity in the source data, as records are often assigned to discrete clusters, even if an assignment is unclear. While there are metrics and visualization techniques that allow analysts to compare clusterings or to judge cluster quality, there is no comprehensive method that allows analysts to evaluate, compare, and refine cluster assignments based on the source data, derived scores, and contextual data. In this paper, we introduce a method that explicitly visualizes the quality of cluster assignments, allows comparisons of clustering results and enables analysts to manually curate and refine cluster assignments. Our methods are applicable to matrix data clustered with partitional, hierarchical, and fuzzy clustering algorithms. Furthermore, we enable analysts to explore clustering results in context of other data, for example, to observe whether a clustering of genomic data results in a meaningful differentiation in phenotypes. Our methods are integrated into Caleydo StratomeX, a popular, web-based, disease subtype analysis tool. We show in a usage scenario that our approach can reveal ambiguities in cluster assignments and produce improved clusterings that better differentiate genotypes and phenotypes.
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WHAT MAKES CHEMISTRY DIFFICULT?
African Journals Online (AJOL)
IICBA01
School of Natural and Computational Science Dire Dawa University, Ethiopia,. 2 ... lack of teaching aids and the difficulty of the language of chemistry. ... lab every other week consisting of concept pretests on the web, hand-written homework, ...
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Student generated assignments about electrical circuits in a computer simulation
Vreman-de Olde, Cornelise; de Jong, Anthonius J.M.
2004-01-01
In this study we investigated the design of assignments by students as a knowledge-generating activity. Students were required to design assignments for 'other students' in a computer simulation environment about electrical circuits. Assignments consisted of a question, alternatives, and feedback on
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On pole structure assignment in linear systems
Czech Academy of Sciences Publication Activity Database
Loiseau, J.-J.; Zagalak, Petr
2009-01-01
Roč. 82, č. 7 (2009), s. 1179-1192 ISSN 0020-7179 R&D Projects: GA ČR(CZ) GA102/07/1596 Institutional research plan: CEZ:AV0Z10750506 Keywords : linear systems * linear state feedback * pole structure assignment Subject RIV: BC - Control Systems Theory Impact factor: 1.124, year: 2009 http://library.utia.cas.cz/separaty/2009/AS/zagalak-on pole structure assignment in linear systems.pdf
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The Nexus between Science and Industry
DEFF Research Database (Denmark)
Czarnitzki, Dirk; Hussinger, Katrin; Schneider, Cédric
2012-01-01
Knowledge transfer from science to industry has been shown to be beneficial for the corporate partner. In order to get a better understanding of the reasons behind these positive effects, this study focuses on the junction of science and industry by comparing characteristics of academic inventions...... that are transferred to industry and those staying in the public sector. Academic inventions are identified via patent applications of German academic scientists. We find that academic patents assigned to corporations are more likely to enable firms reaping short term rather than, possibly more uncertain, long-run...
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Personnel shift assignment: Existence conditions and network models
van den Berg, Jeroen P.; van den Berg, J.P.; Panton, David M.
1994-01-01
The personnel scheduling problem is known to be a five-stage process in which the final stage involves the assignment of shifts to the days worked in the schedule. This paper discusses the existence conditions for both continuous and forward rotating shift assignments and heuristic network
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75 FR 55355 - Delegation of Authority and Assignment of Responsibility
2010-09-10
... DEPARTMENT OF LABOR Office of the Secretary Delegation of Authority and Assignment of Responsibility Secretary's Order 4-2010 Subject: Delegation of Authority and Assignment of Responsibility to the... delegations and assignments in full force and effect, except as expressly modified herein. 4. Delegation of...
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Cunningham, C E; Davis, J R; Bremner, R; Dunn, K W; Rzasa, T
1993-10-01
This trial compared two approaches used to introduce parenting skills in a residential staff training program. Fifty staff were randomly assigned to: mastery modelling in which videotaped models demonstrated new skills, coping modelling problem solving (CMPS) in which participants formulated their own solutions to the errors depicted by videotaped models, or a waiting-list control group. In both, leaders used modelling, role playing, and homework projects to promote mastery and transfer of new skills. The skills of all groups improved, but CMPS participants attended more sessions, were late to fewer sessions, completed more homework, engaged in more cooperative in-session interaction, rated the program more positively, and reported higher job accomplishment scores. These data suggest that CMPS allowing participants to formulate their own solutions may enhance adherence and reduce the resistance observed in more didactic programs.
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Framework for Disciplinary Writing in Science Grades 6-12: A National Survey
Drew, Sally Valentino; Olinghouse, Natalie G.; Faggella-Luby, Michael; Welsh, Megan E.
2017-01-01
This study investigated the current state of writing instruction in science classes (Grades 6-12). A random sample of certified science teachers from the United States (N = 287) was electronically surveyed. Participants reported on their purposes for teaching writing, the writing assignments most often given to students, use of evidence-based…
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Evolution of NASA's Earth Science Digital Object Identifier Registration System
Wanchoo, Lalit; James, Nathan
2017-01-01
NASA's Earth Science Data and Information System (ESDIS) Project has implemented a fully automated system for assigning Digital Object Identifiers (DOIs) to Earth Science data products being managed by its network of 12 distributed active archive centers (DAACs). A key factor in the successful evolution of the DOI registration system over last 7 years has been the incorporation of community input from three focus groups under the NASA's Earth Science Data System Working Group (ESDSWG). These groups were largely composed of DOI submitters and data curators from the 12 data centers serving the user communities of various science disciplines. The suggestions from these groups were formulated into recommendations for ESDIS consideration and implementation. The ESDIS DOI registration system has evolved to be fully functional with over 5,000 publicly accessible DOIs and over 200 DOIs being held in reserve status until the information required for registration is obtained. The goal is to assign DOIs to the entire 8000+ data collections under ESDIS management via its network of discipline-oriented data centers. DOIs make it easier for researchers to discover and use earth science data and they enable users to provide valid citations for the data they use in research. Also for the researcher wishing to reproduce the results presented in science publications, the DOI can be used to locate the exact data or data products being cited.
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Staff assignment practices in nursing homes: review of the literature.
Rahman, Anna; Straker, Jane K; Manning, Lydia
2009-01-01
Consistent assignment, whereby nursing home staff members, particularly certified nurse aides, are assigned to the same residents on most shifts, is increasingly viewed as a cornerstone of culture change in nursing homes. It has been advocated as a best-care model that increases residents' quality of life while contributing to a more stable frontline staff. Given these potential benefits, consistent assignment is now widely viewed as superior to rotating assignment, an alternative staffing model that aims to distribute care burden more fairly among staff and ensure that workers are familiar with most residents. Despite favorable anecdotal reports about the benefits of consistent assignment, the research literature reports mixed and sometimes contradictory findings for this staffing practice. This article reviews the research pertaining to staff assignment practices in nursing homes. Reviewed here are 13 reports on experimental trials (6 reports), evaluation research (4 reports), and nursing home surveys (3 reports). The review reveals broad diversity in staffing practices and raises questions that challenge popular assumptions about consistent assignment. The article closes with a discussion of the research, policy, and practice implications of the research findings.
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75 FR 55354 - Delegation of Authority and Assignment of Responsibilities
2010-09-10
... DEPARTMENT OF LABOR Office of the Secretary Delegation of Authority and Assignment of Responsibilities Secretary's Order 3-2010 Subject: Delegation of Authority and Assignment of Responsibilities to... Secretary to enforce sections 18A and 18B of the FLSA. 4. Delegation of Authority and Assignment of...
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Quality Control Test for Sequence-Phenotype Assignments
Ortiz, Maria Teresa Lara; Rosario, Pablo Benjamín Leon; Luna-Nevarez, Pablo; Gamez, Alba Savin; Martínez-del Campo, Ana; Del Rio, Gabriel
2015-01-01
Relating a gene mutation to a phenotype is a common task in different disciplines such as protein biochemistry. In this endeavour, it is common to find false relationships arising from mutations introduced by cells that may be depurated using a phenotypic assay; yet, such phenotypic assays may introduce additional false relationships arising from experimental errors. Here we introduce the use of high-throughput DNA sequencers and statistical analysis aimed to identify incorrect DNA sequence-phenotype assignments and observed that 10–20% of these false assignments are expected in large screenings aimed to identify critical residues for protein function. We further show that this level of incorrect DNA sequence-phenotype assignments may significantly alter our understanding about the structure-function relationship of proteins. We have made available an implementation of our method at http://bis.ifc.unam.mx/en/software/chispas. PMID:25700273
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25 CFR 225.33 - Assignment of minerals agreements.
2010-04-01
... 25 Indians 1 2010-04-01 2010-04-01 false Assignment of minerals agreements. 225.33 Section 225.33 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR ENERGY AND MINERALS OIL AND GAS, GEOTHERMAL, AND SOLID MINERALS AGREEMENTS Minerals Agreements § 225.33 Assignment of minerals agreements. An...
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Automating Formative and Summative Feedback for Individualised Assignments
Hamilton, Ian Robert
2009-01-01
Purpose: The purpose of this paper is to report on the rationale behind the use of a unique paper-based individualised accounting assignment, which automated the provision to students of immediate formative and timely summative feedback. Design/methodology/approach: As students worked towards completing their assignment, the package provided…
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submission of art studio-based assignments: students experience
African Journals Online (AJOL)
PUBLICATIONS1
are reluctant to complete their studio assignments on time are critically ... tative and qualitative data, derived from survey and interviews were used to ... is therefore exploratory and studio based. It ... mogenous group of students who report pro- ... Assignment management .... The analyses in this study are based on data.
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Heuristic for Task-Worker Assignment with Varying Learning Slopes
Directory of Open Access Journals (Sweden)
Wipawee Tharmmaphornphilas
2010-04-01
Full Text Available Fashion industry has variety products, so the multi-skilled workers are required to improve flexibility in production and assignment. Generally the supervisor will assign task to the workers based on skill and skill levels of worker. Since in fashion industry new product styles are launched more frequently and the order size tends to be smaller, the workers always learn when the raw material and the production process changes. Consequently they require less time to produce the succeeding units of a task based on their learning ability. Since the workers have both experience and inexperience workers, so each worker has different skill level and learning ability. Consequently, the assignment which assumed constant skill level is not proper to use. This paper proposes a task-worker assignment considering worker skill levels and learning abilities. Processing time of each worker changes along production period due to a worker learning ability. We focus on a task-worker assignment in a fashion industry where tasks are ordered in series; the number of tasks is greater than the number of workers. Therefore, workers can perform multiple assignments followed the precedence restriction as an assembly line balancing problem. The problem is formulated in an integer linear programming model with objective to minimize makespan. A heuristic is proposed to determine the lower bound (LB and the upper bound (UB of the problem and the best assignment is determined. The performance of the heuristic method is tested by comparing quality of solution and computational time to optimal solutions.
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Assignment Procedures in the Air Force Procurement Management Information System.
Ward, Joe H., Jr.; And Others
An overview is presented of the procedure for offering jobs in the Air Force Procurement Management Information System (PROMIS), an assignment system which makes possible the use of human resources research findings to improve individual personnel assignments. A general framework for viewing personnel assignment systems is presented; then job…
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A property of assignment type mixed integer linear programming problems
Benders, J.F.; van Nunen, J.A.E.E.
1982-01-01
In this paper we will proof that rather tight upper bounds can be given for the number of non-unique assignments that are achieved after solving the linear programming relaxation of some types of mixed integer linear assignment problems. Since in these cases the number of splitted assignments is
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41 CFR 105-8.152 - Program accessibility: Assignment of space.
2010-07-01
... 41 Public Contracts and Property Management 3 2010-07-01 2010-07-01 false Program accessibility: Assignment of space. 105-8.152 Section 105-8.152 Public Contracts and Property Management Federal Property...-8.152 Program accessibility: Assignment of space. (a) When GSA assigns or reassigns space to an...
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Scaffolding Assignments and Activities for Undergraduate Research Methods
Fisher, Sarah; Justwan, Florian
2018-01-01
This article details assignments and lessons created for and tested in research methods courses at two different universities, a large state school and a small liberal arts college. Each assignment or activity utilized scaffolding. Students were asked to push beyond their comfort zone while utilizing concrete and/or creative examples,…
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Journal of Genetics | Indian Academy of Sciences
Indian Academy of Sciences (India)
Assignment of human sprouty 4 gene to chromosome segment 5q32∼33 and analysis of its pattern of expression ... State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200433, People's Republic of China; United Gene Holdings, Ltd., Shanghai 200092, People's Republic of ...
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Socially-assigned race, healthcare discrimination and preventive healthcare services.
Directory of Open Access Journals (Sweden)
Tracy Macintosh
Full Text Available Race and ethnicity, typically defined as how individuals self-identify, are complex social constructs. Self-identified racial/ethnic minorities are less likely to receive preventive care and more likely to report healthcare discrimination than self-identified non-Hispanic whites. However, beyond self-identification, these outcomes may vary depending on whether racial/ethnic minorities are perceived by others as being minority or white; this perception is referred to as socially-assigned race.To examine the associations between socially-assigned race and healthcare discrimination and receipt of selected preventive services.Cross-sectional analysis of the 2004 Behavioral Risk Factor Surveillance System "Reactions to Race" module. Respondents from seven states and the District of Columbia were categorized into 3 groups, defined by a composite of self-identified race/socially-assigned race: Minority/Minority (M/M, n = 6,837, Minority/White (M/W, n = 929, and White/White (W/W, n = 25,913. Respondents were 18 years or older, with 61.7% under age 60; 51.8% of respondents were female. Measures included reported healthcare discrimination and receipt of vaccinations and cancer screenings.Racial/ethnic minorities who reported being socially-assigned as minority (M/M were more likely to report healthcare discrimination compared with those who reported being socially-assigned as white (M/W (8.9% vs. 5.0%, p = 0.002. Those reporting being socially-assigned as white (M/W and W/W had similar rates for past-year influenza (73.1% vs. 74.3% and pneumococcal (69.3% vs. 58.6% vaccinations; however, rates were significantly lower among M/M respondents (56.2% and 47.6%, respectively, p-values<0.05. There were no significant differences between the M/M and M/W groups in the receipt of cancer screenings.Racial/ethnic minorities who reported being socially-assigned as white are more likely to receive preventive vaccinations and less likely to report
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Philosophy and the front line of science.
Pernu, Tuomas K
2008-03-01
According to one traditional view, empirical science is necessarily preceded by philosophical analysis. Yet the relevance of philosophy is often doubted by those engaged in empirical sciences. I argue that these doubts can be substantiated by two theoretical problems that the traditional conception of philosophy is bound to face. First, there is a strong normative etiology to philosophical problems, theories, and notions that is dfficult to reconcile with descriptive empirical study. Second, conceptual analysis (a role that is typically assigned to philosophy) seems to lose its object of study if it is granted that terms do not have purely conceptual meanings detached from their actual use in empirical sciences. These problems are particularly acute to the current naturalistic philosophy of science. I suggest a more concrete integration of philosophy and the sciences as a possible way of making philosophy of science have more impact.
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The Presentation Assignment: Creating Learning Opportunities for Diverse Student Populations.
Spencer, Brenda H.; Bartle-Angus, Kathryn
2000-01-01
Finds the presentation assignment to be an effective method of providing students with the opportunity to apply the literacy skills they are learning in ways that are personally meaningful. Describes the presentation assignment framework and provides an example of an assignment that required students to analyze and interpret works of literature…
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Triage level assignment and nurse characteristics and experience.
Gómez-Angelats, Elisenda; Miró, Òscar; Bragulat Baur, Ernesto; Antolín Santaliestra, Alberto; Sánchez Sánchez, Miquel
2018-06-01
To study the relation between nursing staff demographics and experience and their assignment of triage level in the emergency department. One-year retrospective observational study in the triage area of a tertiary care urban university hospital that applies the Andorran-Spanish triage model. Variables studied were age, gender, nursing experience, triage experience, shift, usual level of emergency work the nurse undertakes, number of triage decisions made, and percentage of patients assigned to each level. Fifty nurses (5 men, 45 women) with a mean (SD) age of 45 (9) years triaged 67 803 patients during the year. Nurses classified more patients in level 5 on the morning shift (7.9%) than on the afternoon shift (5.5%) (P=.003). The difference in the rate of level-5 triage classification became significant when nurses were older (β = 0.092, P=.037) and experience was greater (β = 0.103, P=.017). The number of triages recorded by a nurse was significantly and directly related to the percentage of patients assigned to level 3 (β = 0.003, P=.006) and inversely related to the percentages assigned to level 4 (β = -0.002, P=.008) and level 5 (β = -0.001, P=.017). We found that triage level assignments were related to age, experience, shift, and total number of patients triaged by a nurse.
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Visual words assignment via information-theoretic manifold embedding.
Deng, Yue; Li, Yipeng; Qian, Yanjun; Ji, Xiangyang; Dai, Qionghai
2014-10-01
Codebook-based learning provides a flexible way to extract the contents of an image in a data-driven manner for visual recognition. One central task in such frameworks is codeword assignment, which allocates local image descriptors to the most similar codewords in the dictionary to generate histogram for categorization. Nevertheless, existing assignment approaches, e.g., nearest neighbors strategy (hard assignment) and Gaussian similarity (soft assignment), suffer from two problems: 1) too strong Euclidean assumption and 2) neglecting the label information of the local descriptors. To address the aforementioned two challenges, we propose a graph assignment method with maximal mutual information (GAMI) regularization. GAMI takes the power of manifold structure to better reveal the relationship of massive number of local features by nonlinear graph metric. Meanwhile, the mutual information of descriptor-label pairs is ultimately optimized in the embedding space for the sake of enhancing the discriminant property of the selected codewords. According to such objective, two optimization models, i.e., inexact-GAMI and exact-GAMI, are respectively proposed in this paper. The inexact model can be efficiently solved with a closed-from solution. The stricter exact-GAMI nonparametrically estimates the entropy of descriptor-label pairs in the embedding space and thus leads to a relatively complicated but still trackable optimization. The effectiveness of GAMI models are verified on both the public and our own datasets.
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2016-11-01
slides and videos2, detailed course notes were made available online. There were also three homework assignments with starter Python code aimed at...Integration Center (CAMEO/RIC) project. In May, Don Waagen from the Army’s Aviation and Missile Research , Development, and Engineering Center (AMRDEC) shared...Vu Tran, a researcher with Booz Allen Hamilton, presented his work on applications of convolutional neural networks for image and video. There was
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Contact replacement for NMR resonance assignment.
Xiong, Fei; Pandurangan, Gopal; Bailey-Kellogg, Chris
2008-07-01
Complementing its traditional role in structural studies of proteins, nuclear magnetic resonance (NMR) spectroscopy is playing an increasingly important role in functional studies. NMR dynamics experiments characterize motions involved in target recognition, ligand binding, etc., while NMR chemical shift perturbation experiments identify and localize protein-protein and protein-ligand interactions. The key bottleneck in these studies is to determine the backbone resonance assignment, which allows spectral peaks to be mapped to specific atoms. This article develops a novel approach to address that bottleneck, exploiting an available X-ray structure or homology model to assign the entire backbone from a set of relatively fast and cheap NMR experiments. We formulate contact replacement for resonance assignment as the problem of computing correspondences between a contact graph representing the structure and an NMR graph representing the data; the NMR graph is a significantly corrupted, ambiguous version of the contact graph. We first show that by combining connectivity and amino acid type information, and exploiting the random structure of the noise, one can provably determine unique correspondences in polynomial time with high probability, even in the presence of significant noise (a constant number of noisy edges per vertex). We then detail an efficient randomized algorithm and show that, over a variety of experimental and synthetic datasets, it is robust to typical levels of structural variation (1-2 AA), noise (250-600%) and missings (10-40%). Our algorithm achieves very good overall assignment accuracy, above 80% in alpha-helices, 70% in beta-sheets and 60% in loop regions. Our contact replacement algorithm is implemented in platform-independent Python code. The software can be freely obtained for academic use by request from the authors.
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28 CFR 545.23 - Inmate work/program assignment.
2010-07-01
... community living area, unless the pretrial inmate has signed a waiver of his or her right not to work (see... 28 Judicial Administration 2 2010-07-01 2010-07-01 false Inmate work/program assignment. 545.23... WORK AND COMPENSATION Inmate Work and Performance Pay Program § 545.23 Inmate work/program assignment...
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Optimal assignment of incoming flights to baggage carousels at airports
DEFF Research Database (Denmark)
Barth, Torben C.
The problem considered in this report is an assignment problem occurring at airports. This problem concerns the assignment of baggage carousels in baggage claim halls to arriving aircraft (baggage carousel assignment problem). This is a highly dynamic problem since disruptions frequently occur du...... and in general is a substantial support in decision making....
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PARETO OPTIMAL SOLUTIONS FOR MULTI-OBJECTIVE GENERALIZED ASSIGNMENT PROBLEM
Directory of Open Access Journals (Sweden)
S. Prakash
2012-01-01
Full Text Available
ENGLISH ABSTRACT: The Multi-Objective Generalized Assignment Problem (MGAP with two objectives, where one objective is linear and the other one is non-linear, has been considered, with the constraints that a job is assigned to only one worker – though he may be assigned more than one job, depending upon the time available to him. An algorithm is proposed to find the set of Pareto optimal solutions of the problem, determining assignments of jobs to workers with two objectives without setting priorities for them. The two objectives are to minimise the total cost of the assignment and to reduce the time taken to complete all the jobs.
AFRIKAANSE OPSOMMING: ‘n Multi-doelwit veralgemeende toekenningsprobleem (“multi-objective generalised assignment problem – MGAP” met twee doelwitte, waar die een lineêr en die ander nielineêr is nie, word bestudeer, met die randvoorwaarde dat ‘n taak slegs toegedeel word aan een werker – alhoewel meer as een taak aan hom toegedeel kan word sou die tyd beskikbaar wees. ‘n Algoritme word voorgestel om die stel Pareto-optimale oplossings te vind wat die taaktoedelings aan werkers onderhewig aan die twee doelwitte doen sonder dat prioriteite toegeken word. Die twee doelwitte is om die totale koste van die opdrag te minimiseer en om die tyd te verminder om al die take te voltooi.
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Game theory and traffic assignment.
2013-09-01
Traffic assignment is used to determine the number of users on roadway links in a network. While this problem has : been widely studied in transportation literature, its use of the concept of equilibrium has attracted considerable interest : in the f...
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Gondwe, Mzamose; Longnecker, Nancy
2015-02-01
There is no consensus in the science education research community on the meanings and representations of western science and indigenous knowledge or the relationships between them. How students interpret these relationships and their perceptions of any connections has rarely been studied. This study reports student perceptions of the meaning and relationship between scientific and cultural knowledge. Personal meaning maps adapted for small groups were conducted in seven culturally diverse schools, school years 7-9 (with students aged 12-15 years) ( n = 190), with six schools in Western Australia and one school in Malawi, Africa. Of the six Australian school groups, two comprised Australian Aboriginal students in an after-school homework programme and the other four schools had a multicultural mix of students. Students in this study identified connections between scientific and cultural knowledge and constructed connections from particular thematic areas—mainly factual content knowledge as opposed to ideas related to values, attitudes, beliefs and identity. Australian Aboriginal students made fewer connections between the two knowledge domains than Malawian students whose previous science teacher had made explicit connections in her science class. Examples from Aboriginal culture were the most dominant illustrations of cultural knowledge in Australian schools, even in school groups with students from other cultures. In light of our findings, we discuss the construction of common ground between scientific knowledge and cultural knowledge and the role of teachers as cultural brokers and travel agents. We conclude with recommendations on creating learning environments that embrace different cultural knowledges and that promote explicit and enquiring discussions of values, attitudes, beliefs and identity associated with both knowledge domains.
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Science, technology and inventions: Children draw their own visions
D'Addezio, G.; Rubbia, G.; Marsili, A.
2013-12-01
Italian primary schools participated with enthusiasm to the drawing competition 'I'm a scientist too! Science and scientists from the children point of view' organized by the Laboratorio di Didattica e Divulgazione Scientifica of Istituto Nazionale di Geofisica e Vulcanologia (INGV) in Rome, Italy. The best drawings were awarded and published in the 2011 school calendar. Children were asked to realize a drawing, choosing among three suggestions: 1) How do you imagine a scientist, and how do you imagine the daily activities of a researcher? 2) What invention do you consider the most important among all those you know? 3) What would you invent? The topic 'invention' (#3) was the most successful. In fact, among the collected 1,000 drawings, 400 drawings depict scientists, nearly 150 depict scientists with their inventions, and other 350 depict inventions alone. A classification scheme was designed in order to synthetically describe this set of images and analyze it. The Draw-A-Scientist scheme, known from literature, was maintained but modified in order to characterize both inventors and inventions. A preliminary analysis about scientists reveals a persistent gender stereotype, since most of depicted persons were male and nearly half of girls draw men scientists. The image of 'mad scientist' is still present but it is mainly related to men. Women scientists are drawn by girls; they are represented as young, not crazy, usually good-looking. There are no particular differences between boys and girls in assigning research fields to scientists. Women scientists are often depicted as assistants, but when alone they are self-confident enough to give their name to an invention or to aspire for Nobel Prize. In this work we present the preliminary analysis performed on drawings containing inventions. What do girls and boys 6 to 11 years old invent? Robots, helping in housekeeping or in doing homework; rockets, space vehicles and time machines, but also fictional machines and
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Simulated annealing algorithm for solving chambering student-case assignment problem
Ghazali, Saadiah; Abdul-Rahman, Syariza
2015-12-01
The problem related to project assignment problem is one of popular practical problem that appear nowadays. The challenge of solving the problem raise whenever the complexity related to preferences, the existence of real-world constraints and problem size increased. This study focuses on solving a chambering student-case assignment problem by using a simulated annealing algorithm where this problem is classified under project assignment problem. The project assignment problem is considered as hard combinatorial optimization problem and solving it using a metaheuristic approach is an advantage because it could return a good solution in a reasonable time. The problem of assigning chambering students to cases has never been addressed in the literature before. For the proposed problem, it is essential for law graduates to peruse in chambers before they are qualified to become legal counselor. Thus, assigning the chambering students to cases is a critically needed especially when involving many preferences. Hence, this study presents a preliminary study of the proposed project assignment problem. The objective of the study is to minimize the total completion time for all students in solving the given cases. This study employed a minimum cost greedy heuristic in order to construct a feasible initial solution. The search then is preceded with a simulated annealing algorithm for further improvement of solution quality. The analysis of the obtained result has shown that the proposed simulated annealing algorithm has greatly improved the solution constructed by the minimum cost greedy heuristic. Hence, this research has demonstrated the advantages of solving project assignment problem by using metaheuristic techniques.
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Efficient Mechanisms to Allocate Assignment Incentives in the Navy
National Research Council Canada - National Science Library
Nimon, R. W; Hall, Ricky D; Zaki, Hossam
2005-01-01
.... All assignments, however, may not necessarily be voluntary. These assignments (jobs) have been labeled as "hard to fill" by Navy leadership, and the Navy has implemented market-based, cash stipends to attract Sailors to these jobs...
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Ant Colony Algorithm and Simulation for Robust Airport Gate Assignment
Directory of Open Access Journals (Sweden)
Hui Zhao
2014-01-01
Full Text Available Airport gate assignment is core task for airport ground operations. Due to the fact that the departure and arrival time of flights may be influenced by many random factors, the airport gate assignment scheme may encounter gate conflict and many other problems. This paper aims at finding a robust solution for airport gate assignment problem. A mixed integer model is proposed to formulate the problem, and colony algorithm is designed to solve this model. Simulation result shows that, in consideration of robustness, the ability of antidisturbance for airport gate assignment scheme has much improved.
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Causal asymmetry across cultures: Assigning causal roles in symmetric physical settings
Directory of Open Access Journals (Sweden)
Andrea eBender
2011-09-01
Full Text Available In the cognitive sciences, causal cognition in the physical domain has featured as a core research topic, but the impact of culture has been rarely ever explored. One case in point for a topic on which this neglect is pronounced is the pervasive tendency of people to consider one of two (equally important entities as more important for bringing about an effect. In order to scrutinize how robust such tendencies are across cultures, we asked German and Tongan participants to assign prime causality in nine symmetric settings. For most settings, strong asymmetries in both cultures were found, but not always in the same direction, depending on the task content. This indicates that causal asymmetries, while indeed being a robust phenomenon across cultures, are also subject to culture-specific concepts. Moreover, the asymmetries were found to be modulated by figure-ground relations, but not by marking agency.
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DEFF Research Database (Denmark)
Hougaard, Jens Leth; Moreno-Ternero, Juan D.; Østerdal, Lars Peter Raahave
2014-01-01
minimizing modification of the classic random priority method to solve this class of problems. We also provide some logical relations in our setting among standard axioms in the literature on assignment problems, and explore the robustness of our results to several extensions of our setting....
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The ICAP (Interactive Course Assignment Pages Publishing System
Directory of Open Access Journals (Sweden)
Kim Griggs
2008-03-01
Full Text Available The ICAP publishing system is an open source custom content management system that enables librarians to easily and quickly create and manage library help pages for course assignments (ICAPs, without requiring knowledge of HTML or other web technologies. The system's unique features include an emphasis on collaboration and content reuse and an easy-to-use interface that includes in-line help, simple forms and drag and drop functionality. The system generates dynamic, attractive course assignment pages that blend Web 2.0 features with traditional library resources, and makes the pages easier to find by providing a central web page for the course assignment pages. As of December 2007, the code is available as free, open-source software under the GNU General Public License.
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Student representational competence and self-assessment when solving physics problems
Directory of Open Access Journals (Sweden)
Noah D. Finkelstein
2005-10-01
Full Text Available Student success in solving physics problems is related to the representational format of the problem. We study student representational competence in two large-lecture algebra-based introductory university physics courses with approximately 600 participants total. We examined student performance on homework problems given in four different representational formats (mathematical, pictorial, graphical, verbal, with problem statements as close to isomorphic as possible. In addition to the homeworks, we examine students’ assessment of representations by providing follow-up quizzes in which they chose between various problem formats. As a control, some parts of the classes were assigned a random-format follow-up quiz. We find that there are statistically significant performance differences between different representations of nearly isomorphic statements of quiz and homework problems. We also find that allowing students to choose which representational format they use improves student performance under some circumstances and degrades it in others. Notably, one of the two courses studied shows much greater performance differences between the groups that received a choice of format and those that did not, and we consider possible causes. Overall, we observe that student representational competence is tied to both micro- and macrolevel features of the task and environment.
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Covariance NMR Processing and Analysis for Protein Assignment.
Harden, Bradley J; Frueh, Dominique P
2018-01-01
During NMR resonance assignment it is often necessary to relate nuclei to one another indirectly, through their common correlations to other nuclei. Covariance NMR has emerged as a powerful technique to correlate such nuclei without relying on error-prone peak peaking. However, false-positive artifacts in covariance spectra have impeded a general application to proteins. We recently introduced pre- and postprocessing steps to reduce the prevalence of artifacts in covariance spectra, allowing for the calculation of a variety of 4D covariance maps obtained from diverse combinations of pairs of 3D spectra, and we have employed them to assign backbone and sidechain resonances in two large and challenging proteins. In this chapter, we present a detailed protocol describing how to (1) properly prepare existing 3D spectra for covariance, (2) understand and apply our processing script, and (3) navigate and interpret the resulting 4D spectra. We also provide solutions to a number of errors that may occur when using our script, and we offer practical advice when assigning difficult signals. We believe such 4D spectra, and covariance NMR in general, can play an integral role in the assignment of NMR signals.
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Genetics of traffic assignment models for strategic transport planning
Bliemer, M.C.J.; Raadsen, M.P.H.; Brederode, L.J.N.; Bell, M.G.H.; Wismans, Luc Johannes Josephus; Smith, M.J.
2016-01-01
This paper presents a review and classification of traffic assignment models for strategic transport planning purposes by using concepts analogous to genetics in biology. Traffic assignment models share the same theoretical framework (DNA), but differ in capability (genes). We argue that all traffic
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The effect of the flipped model on achievement in an introductory college physics course
Winter, Joshua Brian
The flipped or inverted classroom model is one in which the time and place for traditional lecture and homework are reversed. Traditional lecture is replaced by online videos assigned as homework. This frees up time in class to be spent with more student centered activities such as discussion based concept questions and group problem solving. While growing in popularity, research on the effectiveness of this format is sparse. In this quasi-experimental study, two sections of an introductory algebra-based college physics course were examined over a five week period. Each section was taught with either the traditional or flipped model and physics knowledge achieved was compared using independent samples t-tests on both the instructor's unit exam and the Mechanics Baseline Test pre/posttest normalized gain. Results indicated that there was no statistically significant difference between the flipped model and the traditional lecture format. Avenues for further research are discussed.
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Incorporating Primary Literature in Undergraduate Crop Science Courses
Scott, Lori K.; Simmons, Steve R.
2006-01-01
Primary literature is an underutilized learning resource for undergraduate courses in crop science. Reading assignments from scientific journals were utilized in an undergraduate University of Minnesota crop physiology course at Southwest Minnesota State University from 2002 to 2004. The subjects of the articles corresponded to the lecture topics.…
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Designing Internet research assignments: building a framework for instructor collaboration
Directory of Open Access Journals (Sweden)
David Ward
2000-01-01
Full Text Available Internet knowledge is increasing steadily among instructors in the academic world. As courses incorporate more instructional technology, traditional undergraduate research assignments are adapting to reflect the changing world of information and information access. New library assignments reflect this shift as well, with term papers and research projects asking students to use Web sites as an information resource, in addition to the standard literature of periodicals and monographs. But the many pitfalls the library profession has learned in its own metamorphosis during the past decade are often repeated in these newer course assignments. The authors in this paper present a framework for librarians to interact with instructors to incorporate Internet resources into traditional term paper and research assignments. They suggest a framework for creating sample assignments librarians can take to campus instructional units, to show the teaching community at large what the library profession has learned from first-hand experience.
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Use of Flipped Classroom Technology in Language Learning
Evseeva, Arina Mikhailovna; Solozhenko, Anton
2015-01-01
The flipped classroom as a key component of blended learning arouses great interest among researchers and educators nowadays. The technology of flipped classroom implies such organization of the educational process in which classroom activities and homework assignments are reversed. The present paper gives the overview of the flipped classroom technology and explores its potential for both teachers and students. The authors present the results obtained from the experience of the flipped class...
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Brazeal, Kathleen R.; Couch, Brian A.
2017-01-01
Formative assessment (FA) techniques, such as pre-class assignments, in-class activities, and post-class homework, have been shown to improve student learning. While many students find these techniques beneficial, some students may not understand how they support learning or may resist their implementation. Improving our understanding of FA buy-in has important implications, since buy-in can potentially affect whether students fully engage with and learn from FAs. We investigated FAs in 12 un...
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Postgraduate diploma collaborative assignment: Implications for ...
African Journals Online (AJOL)
Postgraduate diploma collaborative assignment: Implications for ESL students ... and collaborative teaching/learning model involving the major course convenors. ... The quality of the work and mood of all concerned improved tremendously.
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Automated backbone assignment of labeled proteins using the threshold accepting algorithm
International Nuclear Information System (INIS)
Leutner, Michael; Gschwind, Ruth M.; Liermann, Jens; Schwarz, Christian; Gemmecker, Gerd; Kessler, Horst
1998-01-01
The sequential assignment of backbone resonances is the first step in the structure determination of proteins by heteronuclear NMR. For larger proteins, an assignment strategy based on proton side-chain information is no longer suitable for the use in an automated procedure. Our program PASTA (Protein ASsignment by Threshold Accepting) is therefore designed to partially or fully automate the sequential assignment of proteins, based on the analysis of NMR backbone resonances plus C β information. In order to overcome the problems caused by peak overlap and missing signals in an automated assignment process, PASTA uses threshold accepting, a combinatorial optimization strategy, which is superior to simulated annealing due to generally faster convergence and better solutions. The reliability of this algorithm is shown by reproducing the complete sequential backbone assignment of several proteins from published NMR data. The robustness of the algorithm against misassigned signals, noise, spectral overlap and missing peaks is shown by repeating the assignment with reduced sequential information and increased chemical shift tolerances. The performance of the program on real data is finally demonstrated with automatically picked peak lists of human nonpancreatic synovial phospholipase A 2 , a protein with 124 residues
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Assigning spectra of chaotic molecules with diabatic correlation diagrams
International Nuclear Information System (INIS)
Rose, J.P.; Kellman, M.E.
1996-01-01
An approach for classifying and organizing spectra of highly excited vibrational states of molecules is investigated. As a specific example, we analyze the spectrum of an effective spectroscopic fitting Hamiltonian for H 2 O. In highly excited spectra, multiple resonance couplings and anharmonicity interact to give branching of the N original normal modes into new anharmonic modes, accompanied by the onset of widespread chaos. The anharmonic modes are identified by means of a bifurcation analysis of the spectroscopic Hamiltonian. A diabatic correlation diagram technique is developed to assign the levels with approximate open-quote open-quote dynamical close-quote close-quote quantum numbers corresponding to the dynamics determined from the bifurcation analysis. The resulting assignment shows significant disturbance from the conventional spectral pattern organization into sequences and progressions. The open-quote open-quote dynamical close-quote close-quote assignment is then converted into an assignment in terms of open-quote open-quote nominal close-quote close-quote quantum numbers that function like the N normal mode quantum numbers at low energy. The nominal assignments are used to reconstruct, as much as possible, an organization of the spectrum resembling the usual separation into sequences and progressions. copyright 1996 American Institute of Physics
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Directory of Open Access Journals (Sweden)
Diana R. Cundell
2009-12-01
Full Text Available Educators are increasingly being encouraged to use more active- and problem-based-learning techniques and assignments in the classroom to improve critical and analytical thinking skills. Active learning-based courses have been purported to be more time consuming than traditional lecture methods and for many instructors have therefore proven difficult to include in many one-semester science courses. To address this problem, a series of assignments was developed for use in a basic microbiology course involving sophomore-, junior-, and senior-level students from five different biology majors (environmental science, biology, biochemistry, premedicine, and physician assistant. Writing assignments included global, historical, and social themes for which a standardized grading format was established. Students also participated in a class debate in which the merits of the living microbial kingdoms were discussed, with only one kingdom being saved from an imaginary global catastrophe. Traditional lectures were facilitated by the use of a dedicated note packet developed by the instructor and specific for course content. Laboratories involved group analysis of mini-case history studies involving pathogenic microbes. Students’ perceptions of the subject were assessed using an exit questionnaire sent to 100 of the 174 students who had taken the course during the 5-year time period. The majority of the 64 students who responded were sophomores (78%, in keeping with the target audience, and their perception of the course’s challenge level was significantly higher (p < 0.03, 8.7 than their junior and senior counterparts (7.9. Students rated the most useful learning tools as case history studies (9.4 and the class debate (9.1, with the introduction of a dedicated microbiology links web page to the University website representing the sole component resulting in a statistically significant increase in students’ perceptions of the importance of the course (p
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Search Results | Page 3 | IDRC - International Development ...
International Development Research Centre (IDRC) Digital Library (Canada)
... Empowerment of Women and Girls builds on IDRC's history as a key development fund ... conditions of homeworkers and seek to improve business practices in global supply chains. ... the objective of social and economic advancement — particularly of women,” said ... Science and Technology HUMAN DEVELOPMENT ...
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Parentage assignment of progeny in mixed milt fertilization of ...
African Journals Online (AJOL)
Administrator
2011-06-13
Jun 13, 2011 ... individuals. Overall, 98.8% of progeny were assigned to their parents using Family Assignment. Program (FAP). Selection of hyper-variable microsatellites in Caspian brown trout to identify unique alleles was effective for unambiguous parentage determination and estimation of genetic diversity in this study.
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Directory of Open Access Journals (Sweden)
Donna M. Kridelbaugh
2015-11-01
Full Text Available Citizen science is becoming even more accessible to the general public through technological advances in the development of mobile applications, facilitating information dissemination and data collection. With the advent of “big data,” many citizen-science projects designed to help researchers sift through piles of research data now exist entirely online, either in the form of playing a game or via other digital avenues. Recent trends in citizen science have also focused on “crowdsourcing” solutions from the general public to help solve societal issues, often requiring nothing more than brainstorming and a computer to submit ideas. Online citizen science thus provides an excellent platform to expand the accessibility of experiential learning opportunities for a broad range of nonmajor science students at institutions with limited resources (e.g., community colleges. I created an activity for a general microbiology lecture to engage students in hands-on experiences via participation in online citizen-science projects. The objectives of the assignment were for students to: 1 understand that everyone can be a scientist; 2 learn to be creative and innovative in designing solutions to health and science challenges; and 3 further practice science communication skills with a written report. This activity is designed for introductory science courses with nonmajor science students who have limited opportunities to participate in undergraduate research experiences.
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Integrating Academic Journal Review Assignments into a Graduate Business Leadership Course
Schultz, Jennifer L.; Agrimonti, Lisa M.; Higbee, Jeanne L.
2016-01-01
Graduate course assignments that are pragmatic, challenging, scaffold prior learning, and support academic career aspirations can be difficult to create and even more problematic to assess for even the most experienced faculty. This paper presents a class assignment that incorporated a real-world journal reviewing assignment into an elective…
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20 CFR 422.104 - Who can be assigned a social security number.
2010-04-01
... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Who can be assigned a social security number... General Procedures § 422.104 Who can be assigned a social security number. (a) Persons eligible for SSN assignment. We can assign you a social security number if you meet the evidence requirements in § 422.107 and...
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Gale, David; And Others
Four units make up the contents of this document. The first examines applications of finite mathematics to business and economies. The user is expected to learn the method of optimization in optimal assignment problems. The second module presents applications of difference equations to economics and social sciences, and shows how to: 1) interpret…
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32 CFR 644.396 - Assignment of personnel to administer.
2010-07-01
... 32 National Defense 4 2010-07-01 2010-07-01 true Assignment of personnel to administer. 644.396... PROPERTY REAL ESTATE HANDBOOK Disposal Predisposal Action § 644.396 Assignment of personnel to administer... responsible representative to each installation, or group of installations, to act under his staff supervision...
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42 CFR 421.114 - Assignment and reassignment of providers by CMS.
2010-10-01
... 42 Public Health 3 2010-10-01 2010-10-01 false Assignment and reassignment of providers by CMS. 421.114 Section 421.114 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH... Assignment and reassignment of providers by CMS. CMS may assign or reassign any provider to any intermediary...
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28 CFR 0.153 - Selection and assignment of employees for training.
2010-07-01
... 28 Judicial Administration 1 2010-07-01 2010-07-01 false Selection and assignment of employees for... Selection and assignment of employees for training. The Director of the Federal Bureau of Investigation, the....S.C. 4109, with respect to the selection and assignment of employees for training by, in, or through...
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26 CFR 1.401(a)-13 - Assignment or alienation of benefits.
2010-04-01
... 26 Internal Revenue 5 2010-04-01 2010-04-01 false Assignment or alienation of benefits. 1.401(a...)-13 Assignment or alienation of benefits. (a) Scope of the regulations. This section applies only to..., provided for employer contributions. (b) No assignment or alienation—(1) General rule. Under section 401(a...
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Avenues for Scientist Involvement in Planetary Science Education and Public Outreach
Shipp, S. S.; Buxner, S.; Cobabe-Ammann, E. A.; Dalton, H.; Bleacher, L.; Scalice, D.
2012-12-01
faculty, bringing them together at science conferences to share resources and experiences and to discuss pertinent education research. An online higher education clearinghouse, (EarthSpace - http://www.lpi.usra.edu/earthspace), has been developed to provide faculty with news and funding information, the latest education research and resources for teaching undergraduates, and undergraduate course materials, including lectures, labs, and homework. The presentation will explore the Planetary Science E/PO Forum pathways and tools available to support scientists involved in - or interested in being involved in - E/PO.
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DNATCO: assignment of DNA conformers at dnatco.org.
Černý, Jiří; Božíková, Paulína; Schneider, Bohdan
2016-07-08
The web service DNATCO (dnatco.org) classifies local conformations of DNA molecules beyond their traditional sorting to A, B and Z DNA forms. DNATCO provides an interface to robust algorithms assigning conformation classes called NTC: to dinucleotides extracted from DNA-containing structures uploaded in PDB format version 3.1 or above. The assigned dinucleotide NTC: classes are further grouped into DNA structural alphabet NTA: , to the best of our knowledge the first DNA structural alphabet. The results are presented at two levels: in the form of user friendly visualization and analysis of the assignment, and in the form of a downloadable, more detailed table for further analysis offline. The website is free and open to all users and there is no login requirement. © The Author(s) 2016. Published by Oxford University Press on behalf of Nucleic Acids Research.
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Directory of Open Access Journals (Sweden)
Leila Valizadeh
2012-12-01
Full Text Available Introduction: In a four-year undergraduate level , the nursing students have to get prepared in the patients education, designing care plans, applying nursing processes and exercise the clinical decisions, in addition to learning practical skills. Therefore, multiple clinical teaching strategies in nursing must be applied. In this study the sheets for the mentioned fields were designed and used. Methods: In this action research in Tabriz University of Medical Sciences, 64 nursing senior students and related instructors participated. Clinical written assignment included the patient’s health condition sheet, tables showing the used medicines and the precautions, the clinical and paraclinical tests and the results, identifying the patient problems, designing and implementing care plan and writing nursing reports with SOAPIE method. The instructors’ viewpoints were achieved through the group discussions and their notes taken. The perceived competency of the students was obtained through a questionnaire. The qualitative data was analyzed by the content analysis and quantitative using SPSS. Results: Both the students and the instructors agreed with the clinical written assignment. The desired care competency of the students before and after assignment was statistically significant (p<0.05. According to the instructors, intervention was useful for the senior students who have passed the courses needed for completing and using the different parts of these forms. Conclusion: Since a need is always felt in the trends of the nursing clinical teaching, the researchers recommend the clinical written assignment and their application along with other strategies for senior nursing students in clinical teaching.
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The ongoing educational anomaly of earth science placement
Messina, P.; Speranza, P.; Metzger, E.P.; Stoffer, P.
2003-01-01
The geosciences have traditionally been viewed with less "aCademic prTstige" than other science curricula. Among the results of this perception are depressed K-16 enrollments, Earth Science assignments to lower-performing students, and relegation of these classes to sometimes under-qualified educators, all of which serve to confirm the widely-held misconceptions. An Earth Systems course developed at San Jos??e State University demonstrates the difficulty of a standard high school Earth science curriculum, while recognizing the deficiencies in pre-college Earth science education. Restructuring pre-college science curricula so that Earth Science is placed as a capstone course would greatly improve student understanding of the geosciences, while development of Earth systems courses that infuse real-world and hands-on learning at the college level is critical to bridging the information gap for those with no prior exposure to the Earth sciences. Well-crafted workshops for pre-service and inservice teachers of Earth Science can heIp to reverse the trends and unfortunate "sTatus" in geoscience education.
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Dynamic traffic assignment : genetic algorithms approach
1997-01-01
Real-time route guidance is a promising approach to alleviating congestion on the nations highways. A dynamic traffic assignment model is central to the development of guidance strategies. The artificial intelligence technique of genetic algorithm...
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On some special cases of the restricted assignment problem
Wang, C. (Chao); R.A. Sitters (René)
2016-01-01
textabstractWe consider some special cases of the restricted assignment problem. In this scheduling problem on parallel machines, any job j can only be assigned to one of the machines in its given subset Mj of machines. We give an LP-formulation for the problem with two job sizes and show that it
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13 CFR 500.210 - Assignment or transfer of loans.
2010-01-01
... has the effect of distributing the risks of the credit among other Lenders if: (i) Neither the loan... be modified, assigned, conveyed, sold or otherwise transferred by the Lender, in whole or in part... assignment or transfer of less than 100 percent of a Lender's interest in the Loan Documents and Guarantee...