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72.
Jörg Schorer Irene Faber Till Koopmann Dirk Büsch Joseph Baker 《Journal of sports sciences》2020,38(19):2208-2214
ABSTRACT Despite the importance of technique and tactics for athlete performance, there has been surprisingly little research on the value of these skills in talent identification and development. This study investigated the relationship between coaches’ early notational analyses of female youth handball players and the long-term success of these athletes. Participants included sixty-eight female handball players involved in a talent selection camp in Germany when they were between 12 and 14 years of age (mean = 14.42, SD = 0.42). All subsequently ended up as non-, semi- or professional adult players. During the initial selection camp, participants were evaluated on a range of quantitative and qualitative measures of technical and tactical skill. Results indicated significant differences between the groups, but only for the number of actions taken, not for the quality of those actions. While this seems counterintuitive, it may reflect the likelihood that more skilled and/or talented players take more actions. Further work is necessary to explore the validity and implications of these findings. 相似文献
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Sarah J. Stein Kerry Shephard Irene Harris 《British journal of educational technology : journal of the Council for Educational Technology》2011,42(1):145-165
The conceptions an individual holds about a phenomenon can influence and determine associated behaviours and perspectives. Consequently, they have a bearing upon how learning about a phenomenon is undertaken and how that phenomenon is experienced and applied in context. A phenomenographic research approach was used to gather the expressed experiences of e‐learning and professional development for e‐learning held by teachers and support staff from institutions across New Zealand. Five conceptions of e‐learning (as tool and equipment; as a facilitator of interaction; as learning; as a reduction in distance; and as a collaborative enterprise) and four conceptions of professional development for e‐learning (as training; as opening up possibilities; as collaboration; and as relevant and purposeful) were discovered. In this report, we discuss the conceptions, and show how they are interrelated through outcome space. Implications for the professional development of tertiary teachers and teaching support staff are outlined. The study provides some insights for individuals, institutions and those responsible for planning and implementing professional development programmes to help them to support the development and progress of e‐learning in appropriate and rewarding directions. 相似文献
75.
Irene Biza Elena Nardi Theodossios Zachariades 《Journal of Mathematics Teacher Education》2007,10(4-6):301-309
Research often reports an overt discrepancy between theoretically/out-of context expressed teacher beliefs about mathematics and pedagogy and actual practice. In order to explore teacher knowledge in situation-specific contexts we have engaged mathematics teachers with classroom scenarios (Tasks) which: are hypothetical but grounded on learning and teaching issues that previous research and experience have highlighted as seminal; are likely to occur in actual practice; have purpose and utility; and, can be used both in (pre- and in-service) teacher education and research through generating access to teachers’ views and intended practices. The Tasks have the following structure: reflecting upon the learning objectives within a mathematical problem (and solving it); examining a flawed (fictional) student solution; and, describing, in writing, feedback to the student. Here we draw on the written responses to one Task (which involved reflecting on solutions of $ {\left| x \right|} + {\left| {x - 1} \right|} = 0 $ ) of 53 Greek in-service mathematics teachers in order to demonstrate the range of teacher knowledge (mathematical, didactical and pedagogical) that engagement with these tasks allows us to explore. 相似文献
76.
Irene Plonczak 《Journal of Science Teacher Education》2010,21(2):241-254
This study was designed to examine benefits and challenges of teaching through videoconferencing in the context of students’
field placement experiences, particularly as it relates to an inquiry-based approach to teaching and learning math and science.
In the context of mathematics and science methods courses, preservice teachers, with the supervision of professors, field
placement supervisors and cooperating teachers, taught a series of math and science lessons via video conferencing to 5th
grade classes in a major urban public school. Two major results of this study indicate that: (1) teaching through videoconferencing
highlights strengths and weaknesses in questioning skill techniques that are at the heart of an inquiry-based approach; (2)
teaching through videoconferencing raises the intellectual challenge of teaching and allows preservice teachers to look face
to face into their limited understanding of the content matter in math and science. 相似文献
77.
Irene Rodríguez-Gómez Soraya Martín-Manjarrés María Martín-García Sara Vila-Maldonado Ángel Gil-Agudo Luis M. Alegre 《Journal of sports sciences》2019,37(7):717-725
Spinal cord injury (SCI) derives in loss of bone mineral content (BMC) and bone mineral density (BMD). However, physical activity is an important determinant in bone mass acquisition, which is partially mediated through the lean mass (LM). The aim was to examine the effect of cardiorespiratory fitness (CRF) on BMD and BMC arms of adult males with SCI and able-bodied controls using the arm LM as a mediator variable. Thirty able-bodied men and thirty men with SCI participated. BMC and BMD were analysed by DXA, and indirect calorimetry was used to calculate VO2peak during a progressive arm-cranking test. When groups were divided by the amount of LM, the subgroup with highest LM had significantly higher arm BMC compared to the lowest LM subgroup (p ≤ 0.05) in both SCI and able-bodied groups. Moreover, same differences were found when confidence intervals were analysed. Only in the SCI group, arm LM mediated the relationship between bone mass and CRF at 30.9%, as indicated by the Sobel test (z = 2.17 and z = 2.04 for BMC and BMD, respectively). In conclusion, LM mediates the indirect association between CRF and bone health, specifically in the arms. This finding highlights the importance of having an adequate CRF for the maintenance of good bone health in SCI men. 相似文献
78.
David Ripley Irene Hudson Robin Turner AAhad Osman‐Gani 《Performance Improvement Quarterly》2006,19(1):41-66
This exploratory study examines cross‐national similarities and differences in employee perceptions of issues in the work environment in 17 organizational work settings in seven Asia‐Pacific countries; Australia, Malaysia, New Zealand, Singapore, South Korea, Taiwan, and the United States. Employees at these 17 sites indicated their degree of agreement with statements about 60 work environment issues which previous research has shown impact performance. Resulting data were compared using coefficients of concordance as described by Gibbons (1971) at three levels of analysis. Analysis indicated that differences and similarities in responses did not reflect those one would expect to find based on previous well‐known research concerning cultural differences in those same countries (Hall, 1976; Hofstede, 1980, 2001). This suggests that relying primarily on national cultural differences is not a sufficient guide for the design of performance improvement interventions in various countries and that other context factors need to be taken into account. Possible hypotheses for future research are offered. 相似文献
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80.
In recent years, the University of Houston has engaged in a campus-wide effort to raise the university to Tier-One status. The initiative has led to a significant increase in faculty's research output in the field of psychology. This dynamic change inspired the Psychology Librarian and Collection Coordinator to embark on a citation analysis to investigate two questions: how has faculty been using information for their research and how does the library's collection meet the research needs of faculty? In addition to reporting these findings, the article also describes how to use features in Scopus to simplify the data collection process. 相似文献