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111.
Sian E. Slawson Paul P. Conway Jodi Cossor Nandini Chakravorti Andrew A. West 《Journal of sports sciences》2013,31(5):468-478
Abstract Work presented in this paper provides a methodology for categorising swimming start performance based on peak force production on the main block and footrest components of the Omega OSB11 starting block. A total of 46 elite British swimmers were tested, producing over 1000 start trials. Overwater cameras were synchronised to a specifically designed start block that allowed the measurement of force production via two sets of four, tri-axis, force transducers; one set in the main block and one in the footrest. Data were then analysed, segregating trials for gender. Each start was categorised, with respect to the peak force production in horizontal and vertical components, into one of nine categories. Three performance indicators, i.e. block time, take-off velocity and distance of entry, were used to assess whether differences in performance could be correlated with these categories. Results from these data suggest that swimmers generating higher than average peak forces were more likely to produce a better overall start performance than those who produced forces lower than the average, for this population of athletes. 相似文献
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The interrupted learner: How distractions during live and video lectures influence learning outcomes
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Andrew H. Zureick Jesse Burk‐Rafel Joel A. Purkiss Michael Hortsch 《Anatomical sciences education》2018,11(4):366-376
New instructional technologies have been increasingly incorporated into the medical school learning environment, including lecture video recordings as a substitute for live lecture attendance. The literature presents varying conclusions regarding how this alternative experience impacts students' academic success. Previously, a multi‐year study of the first‐year medical histology component at the University of Michigan found that live lecture attendance was positively correlated with learning success, while lecture video use was negatively correlated. Here, three cohorts of first‐year medical students (N = 439 respondents, 86.6% response rate) were surveyed in greater detail regarding lecture attendance and video usage, focusing on study behaviors that may influence histology learning outcomes. Students who reported always attending lectures or viewing lecture videos had higher average histology scores than students who employed an inconsistent strategy (i.e., mixing live attendance and video lectures). Several behaviors were negatively associated with histology performance. Students who engaged in “non‐lecture activities” (e.g., social media use), students who reported being interrupted while watching the lecture video, or feeling sleepy/losing focus had lower scores than their counterparts not engaging in these behaviors. This study suggests that interruptions and distractions during medical learning activities—whether live or recorded—can have an important impact on learning outcomes. Anat Sci Educ 11: 366–376. © 2017 American Association of Anatomists. 相似文献
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Actuarial, medical and social data are reported on 50 psychiatric day hospital patients known to have abused their children and 50 non-abusers undergoing treatment at the same time. A sub-group of 30 of each completed personality and intelligence tests and the majority had electroencephalograms, and these results were compared with those of a group of 30 healthy mothers selected by health visitors for positive child-rearing abilities.Findings which confirms those of other studies of child abuse include youthfulness, a higher incidence of family violence from childhood onwards, more unplanned pregnancies and lower intelligence in the index group. In this sample, however, all social classes were represented, there was no significant differences in perinatal pathology between the groups, personality scored showed high morbidity in the patient groups but few distinctive features, and EEGs were not significantly more abnormal in the index group than in the two contrast groups. Moreover, the index group did not show the expected discrepancy between verbal and performance sub-tests on the Wechsler Adult Intelligence Scale.Treatment of the 50 child-abusers with their children resulted in a re-injury rate of 8% during the four year period of study. A scheme for early identification and prevention is outlined. 相似文献
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This study is based on case studies of five inner city schools and focuses on organisation and teaching approaches used by teachers of Year 2 classes. It also addresses teaching approaches adopted and support for children with ‘additional’ educational needs, operationalised in terms of both special educational needs (not necessarily statemented) and English language needs. Planning was almost universally carried out on a weekly basis, with longer‐term planning also being apparent. Varied responses in relation to teachers’ aims and teaching approaches adopted emerged. These were frequently reported to have changed as a result of the National Curriculum. The majority of teachers reported that they grouped children on the basis of their ability. Children with language needs and with special educational needs were not equally distributed amongst the schools in the study and the support available for these children differed markedly. The findings are discussed in the context of past research and current policy. 相似文献
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A Conceptual Framework for Organizing Active Learning Experiences in Biology Instruction 总被引:1,自引:1,他引:0
Introductory biology courses form a cornerstone of undergraduate instruction. However, the predominantly used lecture approach fails to produce higher-order biology learning. Research shows that active learning strategies can increase student learning, yet few biology instructors use all identified active learning strategies. In this paper, we present a framework to design biology instruction that incorporates all active learning strategies. We review active learning research in undergraduate biology courses, present a framework for organizing active learning strategies, and provide clear implications and future research for designing instruction in introductory undergraduate biology courses. 相似文献
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