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281.
Changes in swimming technique during time to exhaustion at freely chosen and controlled stroke rates
Morgan Alberty François Potdevin Jeanne Dekerle Patrick Pelayo Philippe Gorce Michel Sidney 《Journal of sports sciences》2013,31(11):1191-1200
Abstract The aim of this study was to assess technical changes during constrained swimming in time-to-exhaustion tests. Ten swimmers of national standard performed a maximal 400-m front crawl and two sets of exhaustion tests at 95%, 100%, and 110% of mean 400-m speed. In the first set (free), swimmers had to maintain their speeds until exhaustion and mean stroke rate was recorded for each test. In the second set (controlled), the same speed and individual corresponding stroke rate were imposed. The durations of the exhaustion tests, relative durations of the stroke phases, and arm coordination were analysed. For each speed in the “controlled” set, the exhaustion tests were shorter. Moreover, variables were consistent, suggesting a stabilization of stroke technique. Under the free condition, stroke rate increased to compensate for the decrease in stroke length. At the same time, swimmers reduced the relative duration of their non-propulsive phases in favour of the propulsive phases. Thus, swimmers changed their arm coordination, which came close to an opposition mode. These two constraints enable swimmers both to maintain their stroking characteristics and develop compensatory mechanisms to maintain speed. Moreover, stroke rate can be seen as a useful tool for controlling arm technique during paced exercise. 相似文献
282.
Jeanne Tunks 《Educational studies》2001,27(2):129-142
High stakes testing, a phenomena born out of intense accountability across the United States, produces instructional settings that marginalize both curriculum and instruction. Teachers and other school personnel have minimized instruction to drill and practice in an effort to raise standardized and criterion referenced test scores. This study presents an alternative to current practice that engages students in learning and increases their awareness of the internal aspects of standardized tests. The Test Item Construction Model (TICM) guides students through the process of studying test item stems and subsequently creating items using a 12 week process of incrementing from understanding to creating test items. Students grew in their understanding of the test item stems and the generation of these. An ANOVA did not yield significant differences between random groups of trained and untrained test writers. However, students in the experimental group demonstrated gains in understanding of test items. 相似文献
283.
Judith R. Smith Jeanne Brooks-Gunn Dafna Kohen & Cecelia McCarton 《Child development》2001,72(5):1512-1533
The goal of current national and state legislation on welfare reform is to decrease the number of people who are dependent on public assistance, most of whom are mothers and their young children. Mothers' patterns of welfare receipt in the 3 years following the birth of a child were examined vis-à-vis their associations with maternal emotional distress (General Health Questionnaire), provision of learning experiences (Home Observation of the Measurement of the Environment), parenting behavior, and the child's cognitive test score (Stanford-Binet) in the third year of life. The data set was the Infant Health and Development Program, an eight-site randomized clinical trial designed to test the efficacy of educational and family support services in reducing developmental delays in low-birthweight, preterm infants (N = 833). Strong negative associations were found between receiving welfare and parenting behavior and child outcomes at age 3 years. Outcomes varied depending on when the mother received public assistance (earlier or later in her child's first 3 years) and family poverty status on leaving welfare. The parenting behavior of mothers who had left welfare by their child's third birthday was more likely to be authoritarian if she had left public assistance without also leaving poverty. Implications of these findings for the well-being of children in low-income families are discussed. 相似文献
284.
This paper examined whether the greater average schooling and employment, and lower parenting competence, of young mothers who reside with adult relatives reflect preexisting differences versus potential causal mechanisms. The sample included 554 young mothers (ages 13 to 25; nearly two thirds African American) from the Infant Health and Development Program (IHDP) a random-assignment intervention study of premature, low birth weight babies followed 8 times from birth to age 3. Ordinary least squares, fixed-effects, and random-effects models indicated that young mothers of low birth weight babies sorted into extended households based on preexisting characteristics that were correlated with their lower parenting skills and knowledge. In contrast, coresidence predicted greater schooling or employment across models, with some variations for different subgroups. 相似文献
285.
Therese N. Hopfenbeck Jenny Lenkeit Yasmine El Masri Kate Cantrell Jeanne Ryan Jo-Anne Baird 《Scandinavian Journal of Educational Research》2018,62(3):333-353
International large-scale assessments are on the rise, with the Programme for International Student Assessment (PISA) seen by many as having strategic prominence in education policy debates. The present article reviews PISA-related English-language peer-reviewed articles from the programme’s first cycle in 2000 to its most current in 2015. Five literature bases were searched, and results were analysed with SPSS. Results map the frequency of publications according to journal, country, and scientific discipline. They also summarise major themes within three identified categories: secondary analysis, policy impact, and critiques. Findings indicated that studies based on the PISA dataset has led to progress in educational research while simultaneously pointing to the need for caution when using this research to inform educational policy. 相似文献
286.
Patrick L. Bruch Rashné R. Jehangir Dana Britt Lundell Jeanne L. Higbee Karen L. Miksch 《Innovative Higher Education》2005,29(3):195-208
In the two decades since Audre Lorde (1984) pointed out that we have no patterns for relating across our differences as equals (p. 115), struggles to transform higher education have come to focus on communication about and across differences. Despite these efforts, conversations in higher education about group difference and equity too often exacerbate feelings of cynicism and disenfranchisement. In this article we discuss research into the actual discourses at work in communication about the cultural politics of institutional practices. We report on an analysis of qualitative data, using this data to help clarify the challenges of relating across differences as equals.Patrick Bruch is Assistant Professor of Writing Studies in the General College at the University of Minnesota, Twin Cities. He received a B.A. in English from Western Michigan University and a Ph.D. in English from Wayne State University. His teaching and research focus on struggles for equality within and through higher education. He thanks Mark Pedelty for helpful feedback on an earlier draft of this article. Rashné Jehangir received her B.A. in Psychology from Lawrence University and her M.A. in Counseling and Student Personnel Psychology from the University of Minnesota. She currently serves as an Associate Counselor Advocate for first-generation, low-income students in the TRIO Student Support Services program in the General College, University of Minnesota. Her current publications focus on cooperative learning, learning communities, and social justice and access policy to higher education. Dana Britt Lundell is Director of the Center for Research on Developmental Education and Urban Literacy (CRDEUL) in the General College at the University of Minnesota, Twin Cities. She received her M.A. in English and Ph.D. in Curriculum and Instruction from the University of Minnesota. She is Co-Editor of the CRDEUL monograph and 2004 President of the Minnesota Association for Developmental Education (MNADE). Jeanne L. Higbee received her B.S. in Sociology from Iowa State University and earned both her M.S. in Counseling and Guidance and Ph.D. in Educational Administration from the University of Wisconsin-Madison. She currently serves as Professor and Senior Advisor to the Center for Research on Developmental Education and Urban Literacy, General College, University of Minnesota. Her research interests are related to student development and the access and retention of student populations that traditionally have been underserved in postsecondary educational institutions. Karen L. Miksch is an Assistant Professor at the University of Minnesota, General College. She received her J.D. from the University of California, Hastings College of the Law. Affirmative action programs designed to recruit, admit, and retain a diverse student body, as well as access to college preparatory programs, are two ongoing areas of her research. All correspondence should be addressed to Patrick L. Bruch, General College, University of Minnesota, 128 Pleasant St. SE, Minneapolis, Minnesota 55455 相似文献
287.
Jeanne Farrington 《Performance Improvement》2012,51(8):26-32
Training can often be the right answer—or part of the right answer—to help people learn how to do something that is new for them. Although some may be tempted to ignore instructional design when faced with a tight time line, that is exactly when following a systematic process can provide a recipe for success. Given six important questions, the right ingredients, and the right recipe, even quick development efforts will benefit from instructional design. 相似文献
288.
Marie Jeanne McNaughton 《Environmental Education Research》2012,18(6):765-782
In recent years, in the UK, there has been a significant focus on research in Education for Sustainable Development/Global Citizenship Education (ESD/GCE) in initial teacher education and on projects and initiatives used with pupils in schools. However, there has been less specific focus on the ‘voices’ of teachers who have undertaken such projects: the documentation of their perceptions of effective pedagogy for the development of their pupils’ learning and, importantly, the development of their own concepts and values in relation to sustainability education as a result of implementing ESD/GCE-related topics. This paper aims to provide data from this relatively under-reported area. It examines what the teachers learned about effective pedagogy from undertaking a systematic study of their own practice in ESD/GCE-based topics, and it highlights the development of their own understanding of, and values about the place of ESD/GCE in the curriculum. The paper presents an analysis of the reflective journals kept by 10 teachers during the planning and implementation of ESD/GCE projects within their own classrooms. Findings emerging from the study were that critical reflection on their work gave the teachers the confidence to adopt the more learner-centred pedagogy of ESD/GCE, and that teachers, too, were able to benefit from the participation in ESD/GCE activities. 相似文献
289.
This article covers the use of Quick Response (QR) codes to provide instant mobile access to information, digital collections, educational offerings, library website, subject guides, text messages, videos, and library personnel. The array of uses and the value of using QR codes to push customized information to patrons are explained. A case is developed for using QR codes for mobile delivery of customized information to patrons. Applications in use at the Libraries of the University of Utah will be reviewed to provide readers with ideas for use in their library. 相似文献
290.
Jeanne Farrington 《Performance Improvement Quarterly》2011,24(2):105-110
When new media and delivery systems are introduced, they are often accompanied by claims that they provide increased learning. The temptation to ascribe learning powers to delivery systems is strong, as evidenced by repeated attempts over many decades to do so. A relatively new arrival, serious games are currently the recipient of much attention in this regard. In a new meta‐analysis of learning in training programs with or without games, Sitzmann (in press) suggests that delivering training via simulation games enhances learning, while she also acknowledges that instructional methods—not delivery systems—provide the ingredients that facilitate learning. If blog posts and Internet articles provide a useful indication, many practitioners are furthering claims for increased learning and retention via serious games. These claims provide fertile ground for a new set of myths about this relatively new delivery system. Before choosing to invest in acquiring or developing serious games, decision makers should consider (a) instructional methods and (b) whether they will realize benefits from a cost and implementation perspective. They should not select serious games because of claims that the games will intrinsically enhance learning. 相似文献