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排序方式: 共有378条查询结果,搜索用时 15 毫秒
281.
Kent Gustafson Roger Wagner Michael D. Corry Barbara Seels Rita Richey John Rousell Williams Gibbs Danial J. Robertson Kay Bland David Little Danilo M. Baylen Abdulrahim M. Saad Patricia Burke Hyunjoo Kim Linda Gilbert Hoffman Debra J. Dirksen Negishi Jason Ravistz Vicki Napper Danilo Baylen 《TechTrends》1996,41(3):2-3
282.
The aims of this study were to determine the influence of an 8-over spell on cricket fast bowling technique and performance (speed and accuracy), and to establish the relationship of selected physical capacities with technique and performance during an 8-over spell. Fourteen first-grade fast bowlers with a mean age of 23 years participated in the study. Physical capacities assessed were abdominal strength, trunk stability, selected girth and skinfold measures. During the delivery stride, bowlers were filmed from an overhead and lateral perspective (50 Hz) to obtain two-dimensional data for transverse plane shoulder alignment and sagittal plane knee joint angle respectively. Ball speed was measured by a radar gun and accuracy by the impact point of each delivery on a zoned scoring target at the batter's stumps. Shoulder counter-rotation did not change significantly between overs 2 and 8 for all bowlers, but was significantly related to a more front-on shoulder orientation at back foot impact. When the front-on fast bowlers (n = 5) were isolated for analysis, shoulder counter-rotation increased significantly between overs 2 and 8. Ball speed remained constant while accuracy showed some non-significant variation during the spell. Shoulder counter-rotation was significantly related to accuracy scores during the second half of the 8-over spell. Chest girth and composition and body composition were significantly related to ball release speed at various times during the spell. 相似文献
283.
How do young graduates view the role of immediate families in influencing/supporting them as they start their working lives and how do those reflections affect how they think of themselves as graduates? Social, political and economic changes have led to many young people being dependent on family for longer, but how does this play out in their reflections? This article addresses these questions by reporting upon findings from qualitative research with 14 young people from working-class backgrounds, who were part of a larger study of recent graduates. Figured Worlds theory illuminates data, with a consideration of the role that family plays in the ‘space of authoring’ and understanding of ‘positionality’. Findings capture vivid stories of the enabling but also limiting role of family. In our analysis of data, we borrow the words ‘salience’ from Holland and her co-authors and ‘distinction’ from Bourdieu, which help capture different depictions of family. Both articulations of ‘salience’ and a search for ‘distinction’ emerge in how graduates’ stories respond to family. We argue for a greater appreciation of the differing family resources of working-class graduates, and reject an emphasis on what they may lack, compared to their peers, which has tended to be the case in some media and policy commentary. There are implications for educators to foster student reflexivity about family sensitively, and to be aware of how family backgrounds may influence graduate career paths and students’ awareness of wider inequalities. 相似文献
284.
The merits of technology in general and of educational technology specifically are well documented. The use of educational technology has been shown to improve teaching and learning and the overall educational quality of schools. However, the successful integration of educational technology in schools hinges on school administrators' technology leadership abilities. The purpose of this study was to investigate aspiring school administrators' perceived ability to meet technology standards established by ISTE Standards for Administrators (formerly known as the NETS·A) and to determine which standards they wished to pursue for future professional development. Utilizing the ISTE Standards–A as a framework, a survey was created to decipher how aspiring school administrators perceived their own abilities to become leaders with foundational technology leadership skills. The findings showed that (a) the aspiring school administrators were more likely to indicate a need for professional development in technology utilization to meet the standards than they were to indicate their perceived current competence in meeting the technology standards and effectively utilizing technology in their schools; (b) when interests were examined by race, African American aspiring school administrators were more interested in pursuing professional development to enhance their abilities to perform the tasks than were Caucasian aspiring school administrators; and (c) there was a statistically significant difference between aspiring school administrators' average Perception and Interest scores. It appeared that in general, the participants perceived a greater need for professional development in technology standards than their perceived current ability to perform the standards. 相似文献
285.
286.
Burke LM Millet G Tarnopolsky MA;International Association of Athletics Federations 《Journal of sports sciences》2007,25(Z1):S29-S38
The goal of training is to prepare the distance athlete to perform at his or her best during major competitions. Whatever the event, nutrition plays a major role in the achievement of various factors that will see a runner or walker take the starting line in the best possible form. Everyday eating patterns must supply fuel and nutrients needed to optimize their performance during training sessions and to recover quickly afterwards. Carbohydrate and fluid intake before, during, and after a workout may help to reduce fatigue and enhance performance. Recovery eating should also consider issues for adaptation and the immune system that may involve intakes of protein and some micronutrients. Race preparation strategies should include preparation of adequate fuel stores, including carbohydrate loading for prolonged events such as the marathon or 50-km walk. Fluid and carbohydrate intake during races lasting an hour or more should also be considered. Sports foods and supplements of value to distance athletes include sports drinks and liquid meal supplements to allow nutrition goals to be achieved when normal foods are not practical. While caffeine is an ergogenic aid of possible value to distance athletes, most other supplements are of minimal benefit. 相似文献
287.
288.
Lindsey S. Aloia 《Communication quarterly》2017,65(2):231-246
This study examined anger-coping behaviors as a function of both history of targeted family verbal aggression in childhood and informational reception apprehension. Specifically, this article investigates the degree to which childhood experiences of direct verbal attacks from family members impact anger-coping responses and the moderating influence of informational reception apprehension. To examine this, 159 college-aged students completed measures assessing their history of targeted family verbal aggression, informational reception apprehension, and anger-coping behaviors. History of targeted family verbal aggression was associated with anger-in, anger-out, and anger-control, and these associations were moderated by listening anxiety and intellectual inflexibility. 相似文献
289.
This paper reports on the introduction of a large-scale software engineering group project (in excess of 8 students per group) into the modular undergraduate degree scheme at the University of the West of England, Bristol. The approach taken aims to provide an experience of the coherent nature of software engineering and to develop project and group management skills in undergraduate students. A representational model of this approach is described, together with its implementation. 相似文献
290.
Structure,Impact, and Deficiencies of Beginning Counselor Educators' Doctoral Teaching Preparation 下载免费PDF全文
Phillip L. Waalkes James M. Benshoff Jaimie Stickl Paula J. Swindle Lindsey K. Umstead 《Counselor Education & Supervision》2018,57(1):66-80
The authors utilized the consensual qualitative research method (Hill, Thompson, & Williams, 1997 ) to explore beginning counselor educators' (N = 9) experiences of doctoral teaching preparation, including helpful and missing components. Emerging themes included a lack of intentionality in teaching‐related program design and a need for stronger preparation in pedagogy and content delivery methods. 相似文献