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161.
Brad Franklin 《英语沙龙》2008,(12)
Brad年轻时也像很多年青人一样,曾经梦想将来能自己做生意发大财,这样就能买豪宅和好车了。事实上,他这一辈子都是在给别人打工,尽管没有实现做老板的目标,但他觉得自己的工作还不错,生活质量也一直在不断改善,总之,他感觉自己的生活是幸福的。 相似文献
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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
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Previous research demonstrates that sports coaching is a stressful activity. This article investigates coaches’ challenge and threat cognitive appraisals of stressful situations and their impact on coaching behaviour, using Blascovich and Mendes’ (2000) biopsychosocial model as a theoretical framework. A cross-sectional correlational design was utilised to examine the relationships between irrational beliefs (Shortened general attitude and belief scale), challenge and threat appraisals (Appraisal of life events scale), and coaching behaviours (Leadership scale for sports) of 105 professional football academy coaches. Findings reveal significant positive associations between challenge appraisals and social support, and between threat appraisals and autocratic behaviour, and a significant negative association between threat appraisals and positive feedback. Results also show that higher irrational beliefs are associated with greater threat, and lesser challenge cognitive appraisals. However, no associations were revealed between irrational beliefs and challenge cognitive appraisals. Additionally, findings demonstrate a positive relationship between age and training and instruction. Results suggest that practitioners should help coaches to appraise stressful situations as a challenge to promote positive coaching behaviours. 相似文献
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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
168.
Bradshaw EJ Aisbett B 《Sports biomechanics / International Society of Biomechanics in Sports》2006,5(1):1-14
To ensure precise foot placement on the take-off board, long jumpers visually regulate their stride pattern during their run-up. A relationship between how much visual guidance they use and the horizontal distance they jump has not, however, been quantified. Run-up precision is often practiced using run-throughs, which exclude the take-off and, therefore, the high physical stress of the complete long jump. The validity with which this common training method simulates the long jump approach remains, however, to be verified. Four state-standard long jumpers and two heptathletes completed two sessions, each comprising six runthroughs and six competition long jumps. A 50 Hz video camera was manually panned from an elevated platform to film each trial, to enable subsequent gait characteristic evaluations. Linear regression analyses identified that a longer visual regulation phase, measured in time, distance or number of strides, was a key predictor of long jump distance. The number of strides that were visually regulated during the long jump approach was, accordingly, positively correlated with long jump distance (r = 0.67, p = 0.001). The amount of visual regulation used during run-throughs was, however, less than half (p = 0.001) of that observed during long jump approaches. Our results should compel long jump coaches to supplement run-through training with additional visual guidance exercises, to encourage their athletes to visually regulate more of their long jump approach. 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