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排序方式: 共有250条查询结果,搜索用时 15 毫秒
61.
62.
Globalisation,transnational academic mobility and the Chinese knowledge diaspora: an Australian case study 总被引:1,自引:0,他引:1
Rui Yang Anthony R. Welch 《Discourse: Studies in the Cultural Politics of Education》2010,31(5):593-607
The master discourses of economic globalisation and the knowledge economy each cite knowledge diasporas as vital ‘trans-national human capital’. Based on a case study of a major Australian university, this article examines the potential to deploy China's large and highly-skilled diaspora in the service of Chinese and Australian scientific and technological development. It finds that at a time when much of the world is deeply mired in a global financial crisis, this treasured resource of highly-skilled intellectuals assumes even greater significance. Meanwhile, there are key challenges to be confronted to fully utilise China's overseas talent. It argues that the Chinese knowledge diaspora are a modern kind of cosmopolitan literati, and could contribute actively to higher education internationalisation in both Australia and China. 相似文献
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Powerful computational procedures are now available to better determine the accuracy of statistical estimates derived from data that have unknown distributions or do not meet parametric requirements. These techniques are generally called resampling plans and include the recently developed bootstrap. Science educators often face the problem of nonnormal distributions especially when conducting large-scale assessments or evaluating national curriculum projects that require complex sampling plans. Resampling techniques permit the researcher to make inferences without the strong distributional assumptions needed for more traditional parametric approaches. In this study, the bootstrap and a simplified version of a half-sample replication are used to examine the precision of science test scores obtained in a large-scale evaluation of Scope, Sequence, and Coordination, a national science curriculum project. The resampling plans are described in some detail and the results are compared with those obtained from parametric methods. © 1998 John Wiley & Sons, Inc. J Res Sci Teach 35: 697–704, 1998. 相似文献
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This study was designed to determine the influence of in-service training in Glasser's Reality Therapy and Class Meeting techniques on teacher affective behaviors, student on-task behaviors, discipline, referrals, and student absences. The sample consisted of eight voluntary target teachers and eight comparison teachers. No significant changes in teacher and/or student behavior resulted from the in-service training. 相似文献
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Although much research has examined the relationship between exercise and affect, few studies have considered the effects of exercise bouts of different durations and few researchers have questioned the longer term effects that might be associated with acute exercise. The aim of this study was to compare the effects of the standard health recommended exercise duration of 30 min with a shorter (15 min) bout of exercise upon individuals' affect scores both during and after exercise. Twenty-three (mean age 22.4 years) physically active participants engaged in two counterbalanced cycle ergometer exercise conditions for 15 min (short bout) and 30 min (moderate bout). The participants completed the Subjective Exercise Experience Scale before, during, 5 min, 30 mins, 1 h and 2 h after both exercise conditions. A series of 2 x 6 within-participant repeated-measures analyses of variance for positive well-being (P <0.01), psychological distress (P <0.01) and fatigue (P <0.01) scores revealed significant time main effects, with improved scores over time. No significant differences were noted between the 15-min and 30-min exercise bouts. These results indicate that positive affective responses are experienced by exercisers after relatively short bouts of acute exercise and these effects can still be evident some time later. 相似文献
69.
Faigenbaum AD Milliken LA Loud RL Burak BT Doherty CL Westcott WL 《Research quarterly for exercise and sport》2002,73(4):416-424
The purpose of this study was to compare the effects of 1 and 2 days per week of strength training on upper body strength, lower body strength, and motor performance ability in children. Twenty-one girls and 34 boys between the ages of 7.1 and 12.3 years volunteered to participate in this study. Participants strength trained either once per week (n = 22) or twice per week (n = 20) for 8 weeks at a community-based youth fitness center. Each training session consisted of a single set of 10-15 repetitions on 12 exercises using child-size weight machines. Thirteen children who did not strength train served as age-matched controls. One repetition maximum (1RM) strength on the chest press and leg press, handgrip strength, long jump, vertical jump, and flexibility were assessed at baseline and posttraining. Only participants who strength trained twice per week made significantly greater gains in 1RM chest press strength, compared to the control group (11.5 and 4.4% respectively, p < .05). Participants who trained once and twice per week made gains in 1RM leg press strength (14.2 and 24.7%, respectively) that were significantly greater than control group gains (2.4%). On average, participants who strength trained once per week achieved 67% of the 1RM strength gains. No significant differences between groups were observed on other outcome measures. These findings support the concept that muscular strength can be improved during the childhood years and favor a training frequency of twice per week for children participating in an introductory strength training program. 相似文献
70.
M Welch 《Journal of learning disabilities》1989,22(9):537-40, 560
A prerequisite call for understanding the culture of the school as well as the processes of change that are associated with the innovations brought by the new wave of educational reform is presented in this article. The school as a culture, variables of receptivity to change within the school culture, and the change process and its implications are examined. 相似文献