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141.
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Gareth Turner Barry W Fudge Jamie S M Pringle Neil S Maxwell Alan J Richardson 《Journal of sports sciences》2019,37(2):163-172
This study sought to establish perceptions of elite endurance athletes on the role and worth of altitude training. Elite British endurance runners were surveyed to identify the altitude and hypoxic training methods utilised, along with reasons for use, and any situational, cultural and behaviour factors influencing these. Prior to the 2012 Olympics Games, 39 athletes and 20 support staff (coaches/practitioners) completed an internet-based survey to establish differences between current practices and the accepted “best-practice”. Almost all of the athletes (98%) and support staff (95%) surveyed had utilised altitude and hypoxic training, or had advised it to athletes. 75% of athletes believed altitude and hypoxia to be a “very important” factor in their training regime, with 50% of support staff believing the same. Athletes and support staff were in agreement of the methods of altitude training utilised (i.e. 'hypoxic dose’ and strategy), with camps lasting 3–4 weeks at 1,500–2,500 m being the most popular. Athletes and support staff are utilising altitude and hypoxic training methods in a manner agreeing with research-based suggestions. The survey identified a number of specific challenges and priorities, which could provide scope to optimise future altitude training methods for endurance performance in these elite groups. 相似文献
143.
Kimberly Kelshaw‐Levering Heather E. Sterling‐Turner Jennifer R. Henry Christopher H. Skinner 《Psychology in the schools》2000,37(6):523-533
This investigation examined the effects of randomizing components of an interdependent group contingency procedure on the target behavior of 12 students in a second‐grade classroom in a rural southeastern school district. Specifically, using a multiphase time‐series design (i.e., A‐B‐A‐C‐B‐C design) levels of disruptive behavior were compared across baseline, an intervention phase with only randomized reinforcers (the RR+ phase), and an intervention phase with all components randomized (R‐ALL phase). Results suggest that both interventions were successful in decreasing levels of disruptive behavior, with the R‐ALL phase resulting in lower mean, and more stable, percentages of disruptive behavior. The advantages to randomizing components within a group contingency procedure are discussed, because this procedure not only incorporates the strengths of an interdependent group contingency, but also addresses the limitations. © 2000 John Wiley & Sons, Inc. 相似文献
144.
Turner HS 《Isis; an international review devoted to the history of science and its cultural influences》2010,101(3):578-589
This essay surveys recent discussion of the problem of form in literary studies, identifies several ways in which the notion of form might be expanded, and suggests ways in which such an expanded category of form might be useful to historians of science and literary critics alike. 相似文献
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This paper derives from a study oforganizational socialization and induction inuniversities. It uses some of the data fromthat study to critique social practice theoryand to further develop a model to illuminatethe characteristics of professionalknowledgeability and practices underpinningdaily life in universities. This is donethrough the analysis of a case study of oneunusual sub-departmental workgroup in anunchartered English university: one thatcomprises both Deaf and hearing academics.Using such a case study highlights factors thatare less evident in hearing-only situations,displaying important features in exaggeratedform which exist less palpably in mostmicro-social situations in universities. As aresult it offers a suitable locus for themodelling of the processes underlying muchwhich is taken for granted in universities'daily life. The structure of the paper is asfollows: it outlines the broader study fromwhich this is derived and makes some generalcomments about using `unusual' case studies. Itthen goes on to describe the characteristics ofworkgroups in university contexts through thecase study example and to explore theirtheoretical corollaries. Finally the paperconsiders the implications for aspects of themodel developed, particularly in terms of localleadership. 相似文献
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This investigation concerned the socialization experiences and coping strategies of a group of 28 deaf adults who were raised using spoken language. Most respondents reported some level of social isolation because of (1) limitations in communication with hearing peers; (2) missing information in social, academic, and work settings; and (3) a sense of being "different." Most participants also reported strategies used to reduce isolation and mitigate the social difficulties associated with their hearing loss. 相似文献
150.
Robin C Toussaint L Blandin Y Vinter A 《Research quarterly for exercise and sport》2004,75(4):381-387
This study aimed at supporting the specificity of learning hypothesis, when aiming was based on internal cues, as directing the hand toward a "self-defined" target location. Participants practiced modest (20 trials) or intensive (720 trials) training with visual and proprioceptive information or proprioceptive information only. Pretests and posttests were performed in sensory conditions that did or did not match the training condition. Results showed that dynamic visual cues played a dominant role at the beginning of the task, and an intensive practice resulted in increased accuracy of kinesthetic information and efferent mechanisms of motor responses. These results have implications with regard to motor learning conceptions and training as a function of the task constraints. 相似文献