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Christophe Gernigon Fabienne D'arripe-Longueville Véronique Debove Aude Puvis 《Research quarterly for exercise and sport》2013,84(4):473-479
Abstract Sixteen college athletes and non-athletes were given 10 30-sec. practice trials to learn how to balance on a stabilometer. The next day they were allowed three more trials alone and three trials before a group of spectators. The non-athletes were significantly better on two of the three trials performed in front of the spectators. They also performed better than the athletes throughout the ten practice trials, although the tenth and last trial approached but did not yield a significant difference at the .05 level. 相似文献
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Aude Caussarieu Andrée Tiberghien 《International Journal of Science and Mathematics Education》2017,15(6):997-1015
The understanding of measurement is related to the understanding of the nature of science—one of the main goals of current international science teaching at all levels of education. This case study explores how a first-year university physics course deals with measurement uncertainties in the light of an epistemological analysis of measurement. The data consist of the course documents, interviews with senior instructors, and laboratory instructors’ responses to an online questionnaire. During laboratory work, uncertainties are expressed in the large majority of the measurements made by the students but only in less than half of their calculation results. The instructors’ expectations are that students systematically estimate uncertainties so that they become aware that measurements and calculations are never exact. However, since uncertainties are not specified for the values given in the laboratory guides, uncertainties are often missing from the results of students’ calculations. The potential side effects of students’ measurement understanding are discussed and suggestions for improvements are proposed. 相似文献
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