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ABSTRACTThe literature on momentum is still undecided, with mixed results whether momentum exists or is only perceived to exist (“hot hand fallacy”). We explore whether momentum exists by looking at cases in which a basketball player has three consecutive free throws. A free throw is a well-defined task executed in a stable environment, allegedly giving momentum optimal chances to occur. Taking 14 NBA seasons we collected over 4500 three-free-throw sets (triplets). We obtained the outcomes of the shots as well as some additional variables about the player and the game: the player’s average free-throw percentage, home or away, and the game score and the quarter when the free throws were attempted. We first analyse the hit rates in the three shots and then proceed to regression analysis that also controls for the abovementioned variables. We address several concerns raised in the literature. All comparisons and analyses yield the same conclusion that there is no evidence for momentum in the data. 相似文献
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Health information is readily available and easily obtained from a variety of media and interpersonal sources. Although several studies have examined health-related information seeking, a comprehensive validation study of this measure is still needed. This study uses a longitudinal cohort study of Israeli university students (N = 800) aged 18–30, and a cross-sectional sample of U.S. college students (N = 498) to validate measures of information seeking about the nonmedical use of two drugs (marijuana and amphetamines) from a range of media and interpersonal sources. Information seeking measures for both drug types showed good convergent, discriminant, nomological, and test-retest validity. Results offer support for the use of these measures as valid indicators of the constructs for which they were designed. Implications for the use of these measures in future research are discussed. 相似文献
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Bielik Tom Fonio Ehud Feinerman Ofer Duncan Ravit Golan Levy Sharona T. 《Journal of Science Education and Technology》2021,30(1):40-57
Journal of Science Education and Technology - Complex systems are made up of many entities, whose interactions emerge into distinct collective patterns. Computational modeling platforms can provide... 相似文献
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The rationale behind the project is based on the belief that the study of a work of literature can effectively open a window of opportunity for pupils to study other countries’ cultures and identities as well as contribute to pupils’ own identity construction and to the understanding of the identity of others. Information and communication technologies serve as an educational catalyst for collaborative learning which transcends national boundaries and presents pupils with the opportunity to study cultural and identity similarities and differences, to strengthen their national identities and, at the same time, to appreciate the characteristics of other identities and cultures. L’étude de la Littérature et de la Culture dans un environnement fondé sur la Toile L’idée qui sous‐tend ce projet repose sur le fait que l’on croit que l’étude d’une ?uvre littéraire peut effectivement constituer une fenêtre pour les élèves, l’occasion d’étudier les cultures et les identités d’autres pays tout en contribuant à la construction de la propre identité de ces élèves et à la compréhension de l’identité des autres. Les TIC servent de catalyseur éducatif pour faciliter l’apprentissage collaboratif qui transcende les frontières nationales et offre aux élèves l’occasion d’étudier les ressemblances et les différences de cultures et d’identités, de renforcer leurs identités nationales et en même temps d’apprécier les caractéristiques d’autres identités et cultures. Das Studium von Literatur und Kultur in einer Web‐basierten Umgebung Die logische Grundlage dieses Projekts ist die Überzeugung, dass ein Studium im Bereich von Literatur wirksam sowohl ein Fenster zum Einblick in andere Kulturen und Identitäten öffnen kann, als auch zum eigenen Identitätsaufbau der Schüler und zum Verständnis der Identität anderer beitragen kann. ICT dient damit als Bildungskatalysator für kooperatives Lernen, damit die nationalen Grenzen überwunden werden können und bietet den Schülern die Gelegenheit, kulturelle‐ und Identitätsähnlichkeiten und Unterschiede zu erkennen, um ihre nationalen Identitäten zu stärken und gleichzeitig die Merkmale anderer Identitäten und Kulturen kennen und schätzen zu lernen. 相似文献
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Bergner Yoav Mund Shiri Chen Ofer Payne Willie 《Educational technology research and development : ETR & D》2021,69(4):2013-2036
Educational technology research and development - We report on an exploratory effort to design an interest-based learning experience for high school (step) dancers to engage with concepts in... 相似文献
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An experimental field study was conducted to examine the impact of accountability on effectiveness in the teaching of physical education. Accountability was constructed through the introduction of a system of reporting and feedback between the teachers and the professional supervisor on two levels of intensity, high and low. Findings show that the institution of the accountability system improved the participant teachers' effectiveness as compared with control group teachers. Improvement in students' achievements was more evident in girls than in boys. The accountability system constructed for this study may be applied not only in physical education but in other educational areas as well. 相似文献
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INTRODUCTION Modern videoconferencing systems allow two o more participants to communicate with each other in real-time using both audio and video. Conventionally when more than two participants are present, a sta configuration is generally employed, wherein a Mul tipoint Conferencing Unit (MCU), or bridge, is util ized to connect to all participants and coordinat communications between them. The general archi tecture is shown in Fig.1. Fig.1 Multipoint videoconferencing system Network… 相似文献
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Educational Studies in Mathematics - We investigate how students make sense of irrational exponents. The data comprise 32 interviews with university students, which revolved around a task designed... 相似文献
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This article identifies sources of information for Japanese members of parliament (Diet). It focuses on four main sources that Dietmen often use—the news media, colleagues, bureaucrats, and newsmen—based on interviews conducted with politicians. Politicians differ in their use of certain channels, along lines of parliamentarian experience, the nature of contact they have with sources, and whether they belong to the ruling party or the opposition. The significant finding is that Diet members attributed much importance to the information they obtain from news reporters. 相似文献
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