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511.
Foot strike patterns of recreational and sub-elite runners in a long-distance road race 总被引:4,自引:3,他引:1
Larson P Higgins E Kaminski J Decker T Preble J Lyons D McIntyre K Normile A 《Journal of sports sciences》2011,29(15):1665-1673
Although the biomechanical properties of the various types of running foot strike (rearfoot, midfoot, and forefoot) have been studied extensively in the laboratory, only a few studies have attempted to quantify the frequency of running foot strike variants among runners in competitive road races. We classified the left and right foot strike patterns of 936 distance runners, most of whom would be considered of recreational or sub-elite ability, at the 10 km point of a half-marathon/marathon road race. We classified 88.9% of runners at the 10 km point as rearfoot strikers, 3.4% as midfoot strikers, 1.8% as forefoot strikers, and 5.9% of runners exhibited discrete foot strike asymmetry. Rearfoot striking was more common among our sample of mostly recreational distance runners than has been previously reported for samples of faster runners. We also compared foot strike patterns of 286 individual marathon runners between the 10 km and 32 km race locations and observed increased frequency of rearfoot striking at 32 km. A large percentage of runners switched from midfoot and forefoot foot strikes at 10 km to rearfoot strikes at 32 km. The frequency of discrete foot strike asymmetry declined from the 10 km to the 32 km location. Among marathon runners, we found no significant relationship between foot strike patterns and race times. 相似文献
512.
513.
Age-related changes in children's use, self report, and awareness of verbal problem-solving strategies (private speech) and strategy effectiveness were explored with a large (N = 2,156) cross-sectional sample of children aged 5 to 17. Children's verbal strategies moved from overt, to partially covert, to fully covert forms with age. Self-reports of verbal strategy use were accurate yet incomplete. Awareness of children's use of verbal strategies was low and increased with age. Although verbal strategies were associated with competence among the youngest children, self-talk was unrelated to task performance for older children, suggesting considerable persistence over time of a relatively ineffective strategy. Awareness was not a prerequisite for children's verbal strategy use but was positively associated with strategy effectiveness among those who talked. 相似文献
514.
BACKGROUND AND TRAINING OF TEACHERS IN JEWISH SCHOOLS: CURRENT STATUS AND LEVERS FOR CHANGE 总被引:3,自引:1,他引:2
Adam Gamoran Ellen Goldring Bill Robinson Roberta Louis Goodman Julie Tammivaara 《Religious education (Chicago, Ill.)》2013,108(4):534-550
Abstract This paper presents a secondary analysis of data from a survey of teachers in the Jewish schools of three communities. Previous findings had shown that only 19% of teachers have professional training in both Jewish content areas and in the field of education, and despite incomplete professional backgrounds, little professional growth was required of teachers. What can be done to enhance and expand professional growth activities for teachers in Jewish schools? Analyses reported in this paper examine three possible “levers” for changing standards for professional growth: state licensing requirements for pre‐schools, state requirements for continuing education among professionally‐trained teachers, and community incentives for training of supplementary school teachers. Results indicate that pre‐school teachers in state‐licensed pre‐schools and supplementary school teachers who were paid for meeting a professional growth standard reported that they were required to attend more in‐service workshops, compared to other teachers who were not subject to these conditions. In addition, standards for the quantity of in‐service were higher among teachers who have stronger Judaic backgrounds and who are committed to a career in Jewish education. 相似文献
515.
Adam Lefstein 《Discourse: Studies in the Cultural Politics of Education》2013,34(5):643-659
This article explores the school inspection as a political ritual for the management of tensions between competition and equality inherent in neo-liberal educational regulatory regimes. At the centre of the article is a case study of how teachers in an allegedly failing working-class English primary school coped with issues of social class, educational success-and-failure and an Office of Standards in Education (OFSTED) inspection and related accountability measures. National educational policy – relative performance data and inspection – generated a crisis within the school, and intervened in teacher discourse about the role of social class in pupil attainment. Whereas previous scholarship on OFSTED and inspections has emphasised their harmful effects on teachers and teaching practice, the current article broadens the focus from regulatory to political issues, from specific schools to the stability of the educational order more generally. Based on this case study, situated within a broader analysis of shifting discourses about social class and education in English educational policy, I argue that (1) the current regulatory regime makes ‘failure’ inevitable, thereby posing a symbolic problem for policy-makers and politicians; (2) by identifying failure and allocating blame, the inspection ritual fulfils an important symbolic function; which (3) serves to buttress the legitimacy of the neo-liberal educational order. 相似文献
516.
In the current essay, Kevin Burke and Adam Greteman challenge this thing called love by looking at how we might instead “like” in education. Within education, multiculturalism can be viewed as a way of loving, or learning to love, diversity and, as such, learning to love the self; this tendency is notably apparent in the recent rise of concern expressed about student self‐esteem. According to the authors, however, critical research on multiculturalism demonstrates how, in loving diversity, multicultural discourses limn the possibilities for subjects to come into being and be liked for their differences. Drawing on James Alison's On Being Liked, Burke and Greteman reframe the problem of relating in education instead through the language of liking. How does the shift from loving to liking — either our students, our teachers, or ourselves — create different social dynamics and ethical paradigms? In engaging this question, Burke and Greteman offer an alternative model of liking that is based on the practice of cruising. 相似文献
517.
Lynn S. Liben Lauren J. Myers Adam E. Christensen Corinne A. Bower 《Child development》2013,84(6):2047-2063
Researchers have shown that young children solve mapping tasks in small spaces, but have rarely tested children's performance in large, unfamiliar environments. In the current research, children (9–10 years; N = 40) explored an unfamiliar campus and marked flags' locations on a map. As hypothesized, better performance was predicted by higher spatial‐test scores, greater spontaneous use of map–space coordinating strategies, and participant sex (favoring boys). Data supported some but not all hypotheses about the roles of specific spatial skills for mapping performance. Data patterns were similar on a computer mapping task that displayed environmental‐scale videos of walks through a park. Patterns of children's mapping errors suggested both idiosyncratic and common mapping strategies that should be addressed in future research and educational interventions. 相似文献
518.
AbstractThe intensification of an audit culture in higher education is made no more apparent than with the growing prevalence of performance-based research funding systems like the UK’s Research Excellence Framework (REF) and the introduction of new measures of assessment like ‘impact’ or more specifically, the economic and societal impacts of research. Detractors of this regulatory intervention, however, question the legitimacy and credibility of such a system for, and focus within, the evaluation of research performance. Within this study, we specifically sought to understand the process of evaluating the impact of research by gaining unique access as observers of a simulated impact evaluation exercise populated by aproximately n = 90 senior academic peer reviewers and user assessors, undertaken within one UK research-intensive university prior to and in preparation of its submission to REF2014. Over an intensive two-day period, we observed how peer reviewers and user assessors grouped into four overarching disciplinary panels went about deliberating and scoring impact, presented in the form of narrative-based case studies. Among other findings, our observations revealed that in their efforts to evaluate impact, peer reviewers were indirectly promoting a kind of impact mercantilism, where case studies that best sold impact were those rewarded with the highest evaluative scores. 相似文献
519.
A pressing question about the expansion of higher education is whether it tends to be inclusive, in the sense of bringing in larger proportions of persons from disadvantaged backgrounds, or diversifying, in that higher education tends to differentiate as it expands, or both, by bringing more persons into an increasingly stratified system of higher education. This paper addresses the question with evidence on higher education expansion in Scotland. Data are drawn from six waves of the Scottish School Leavers Survey from the late 1980s to the start of the new millennium. Binary and multinomial logit models are estimated to examine changes in inequality during this period, which was characterised by substantial expansion in both secondary qualifications and postsecondary enrolment. The results show that, in contrast to the general pattern of stable inequality observed in most nations, overall social inequalities in Scottish higher education enrolment declined over time. However, this decline did not occur in all sectors but was limited to the lowest-status institutions. These findings illustrate how expansion can serve both inclusive and diversifying ends. 相似文献
520.
Research Findings: Although the role of language and private speech in the development of behavioral self-regulation has been studied, relations between behavioral self-regulation and children's experiences with other symbolic systems, such as music, have not yet been explored. Eighty-nine 3- and 4-year-old children (42 of whom had been enrolled in Kindermusik music and movement classes, and 47 demographically similar children who had not experienced structured early childhood music classes) completed a battery of laboratory self-regulation tasks and a selective attention task during which their private speech was reliably transcribed and categorized. Children currently enrolled in Kindermusik classes showed better self-regulation than those who were not currently enrolled (d = .41), and they also used more relevant private speech during the selective attention task (d = .57), a verbal strategy that was positively related to performance. Children exposed to the music program were also more likely to engage in the facilitative strategy of singing/humming to themselves during a waiting period in which they had to inhibit their desire to examine a gift, and they were less likely to call out socially to the experimenter, a strategy negatively associated with performance and self-regulation. Practice or Policy: Implications for early childhood education are discussed. 相似文献