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排序方式: 共有1464条查询结果,搜索用时 343 毫秒
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J. Bruce Francis Michalina Vaughan Colin Flood Page Sally Tomlinson R. A. Becher Margaret C. Ives John Urry K. G. Collier Meir Zadok Charles Carter Jürgen Schramm Jean Barry Graeme C. Moodie Donald Bligh R. A. King D. G. Mulcahy Peter Scott F. R. Charmer T. R. Bone John A. Hughes Roger Greenhough Alec M. Ross John Wakeford Joyce Skinner Duncan B. Nimmo Cedric Cullingford L. R. B. Elton 《Higher Education》1979,8(6):709-744
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许多运动队将全程比赛分析作为教练员的指导工具,研究己方和对方运动员的类型、战术和技术特点.网球项目中,拥有个人分析师的运动员并不多见,大部分运动员和教练员使用分析设备和程序提供的客观、可靠的反馈信息,自己进行赛前及赛后分析.很多教练员采用其他教练员的有效训练模式,因为不是所有人都有时间去分析1000h的大满贯录像来找出战术差异,但可利用他人的分析结果.赛事录像记录的客观数据提供了充足的反馈信息,教练员可根据这些反馈信息调整技战术,进行针对性的训练. 相似文献
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The role of upper torso and pelvis rotation in driving performance during the golf swing 总被引:3,自引:2,他引:1
While the role of the upper torso and pelvis in driving performance is anecdotally appreciated by golf instructors, their actual biomechanical role is unclear. The aims of this study were to describe upper torso and pelvis rotation and velocity during the golf swing and determine their role in ball velocity. One hundred recreational golfers underwent a biomechanical golf swing analysis using their own driver. Upper torso and pelvic rotation and velocity, and torso-pelvic separation and velocity, were measured for each swing. Ball velocity was assessed with a golf launch monitor. Group differences (groups based on ball velocity) and moderate relationships (r > or = 0.50; P < 0.001) were observed between an increase in ball velocity and the following variables: increased torso-pelvic separation at the top of the swing, maximum torso-pelvic separation, maximum upper torso rotation velocity, upper torso rotational velocity at lead arm parallel and last 40 ms before impact, maximum torso-pelvic separation velocity and torso-pelvic separation velocity at both lead arm parallel and at the last 40 ms before impact. Torso-pelvic separation contributes to greater upper torso rotation velocity and torso-pelvic separation velocity during the downswing, ultimately contributing to greater ball velocity. Golf instructors can consider increasing ball velocity by maximizing separation between the upper torso and pelvis at the top of and initiation of the downswing. 相似文献
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Elspeth J. Scott 《Learned Publishing》1997,10(3):231-235
The Library view on development and initiatives in the electronic publishing environment: a paper presented at the STM Innovations Seminar, London, December 1996 相似文献
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Robert Scott Webster 《Educational Philosophy and Theory》2017,49(4):331-346
AbstractThe separating and isolating tendencies of measuring practices can lead educators to lose sight of the aims and purposes of education. These end purposes can be used to guide and ensure that the activities of educators are educational, and therefore, Biesta recommends there is a need for educators to reconnect with them. This article. explores this notion of a ‘reconnection’ and argues that if educators are to challenge any potentially miseducative measuring practices, then this reconnection must require educators to value and desire particular end purposes. Desires are recognised to be existential in character and are identified as being necessary for initiating actions. It is argued here that this aspect of desires is important for understanding the significance of a ‘reconnection’ because without it the purposes of education may remain only as abstract philosophical ideals. To make a difference and to challenge the isolating and miseducative tendencies of some measuring practices, educators must come to value particular purposes of education, and in addition, they must exercise the courage to enact them. This can be made possible because educators strongly care for and desire the actualisation of the purposes to which they are connected. 相似文献
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ACADEMIC LEADERSHIPS VIEWS OF SCHOOL PSYCHOLOGY AND BLACK STUDENTS: THE CASE OF HISTORICALLY BLACK COLLEGES AND UNIVERSITIES 下载免费PDF全文
The purpose of this study was to understand academic leadership's views of the field of school psychology. This is the first study that has attempted to incorporate the views of historically Black college and university (HBCU) Psychology Department Chairs' regarding the field of school psychology and the potential development of school psychology programs at HBCUs. The results indicated that Department Chairs at HBCUs are not recommending the field of school psychology to their students based on a variety of reasons related to their views of the field (e.g., lack of focus on Black research issues). Despite the shortage of school psychologists and ample career opportunities, Department chairs in our sample do not recommend the field of school psychology as a first option graduate school choice. Implications are discussed in terms of increasing the number of African Americans in the field of school psychology. 相似文献
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