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21.
With the aim of determining both the acute and the chronic effects of textured insoles on the ankle discrimination and performance ability of dancers, 60 ballet dancers from the Australian Ballet School, aged 14–19 years, were divided into three groups (two intervention groups and a control group), age- and level-matched. In the first 5 weeks (weeks 1 to 5), the first intervention group (GRP1) was asked to wear textured insoles in their ballet shoes and the second intervention group (GRP2) was not given textured insoles to wear. In the next 5 weeks (weeks 6 to 10), GRP2 was asked to wear the same type of textured insoles and GRP1 did not wear the textured insoles. The control group (CTRL) did not wear textured insoles during the whole 10 weeks. All participants were tested preintervention, after 5 weeks and after 10 weeks for ankle discrimination score (AUC scores). Dance performance was assessed by 5–7 dance teachers. Pre-to-post change in AUC scores was significantly greater for the groups wearing insoles than for the controls (P = .046) and the size of pre-to-post changes did not differ between the two intervention groups (P = .834). Significant correlation was found between ankle discrimination score and performance scores, using the textured insoles (r = .412; P = .024). In conclusion, the stimulation to the proprioceptive system arising from textured insoles worn for five weeks was sufficient to improve the proprioceptive ability and performance ability of ballet dancers.  相似文献   
22.
The purpose of this study was to examine the mediating effect of resistance training skill competency on percentage of body fat, muscular fitness and physical activity among a sample of adolescent boys participating in a school-based obesity prevention intervention. Participants were 361 adolescent boys taking part in the Active Teen Leaders Avoiding Screen-time (ATLAS) cluster randomised controlled trial: a school-based program targeting the health behaviours of economically disadvantaged adolescent males considered “at-risk” of obesity. Body fat percentage (bioelectrical impedance), muscular fitness (hand grip dynamometry and push-ups), physical activity (accelerometry) and resistance training skill competency were assessed at baseline and post-intervention (i.e., 8 months). Three separate multi-level mediation models were analysed to investigate the potential mediating effects of resistance training skill competency on each of the study outcomes using a product-of-coefficients test. Analyses followed the intention-to-treat principle. The intervention had a significant impact on the resistance training skill competency of the boys, and improvements in skill competency significantly mediated the effect of the intervention on percentage of body fat and the combined muscular fitness score. No significant mediated effects were found for physical activity. Improving resistance training skill competency may be an effective strategy for achieving improvements in body composition and muscular fitness in adolescent boys.  相似文献   
23.
The development of a comprehensive protocol for quantifying soccer-specific skill could markedly improve both talent identification and development. Surprisingly, most protocols for talent identification in soccer still focus on the more generic athletic attributes of team sports, such as speed, strength, agility and endurance, rather than on a player’s technical skills. We used a multivariate methodology borrowed from evolutionary analyses of adaptation to develop our quantitative assessment of individual soccer-specific skill. We tested the performance of 40 individual academy-level players in eight different soccer-specific tasks across an age range of 13–18 years old. We first quantified the repeatability of each skill performance then explored the effects of age on soccer-specific skill, correlations between each of the pairs of skill tasks independent of age, and finally developed an individual metric of overall skill performance that could be easily used by coaches. All of our measured traits were highly repeatable when assessed over a short period and we found that an individual’s overall skill – as well as their performance in their best task – was strongly positively correlated with age. Most importantly, our study established a simple but comprehensive methodology for assessing skill performance in soccer players, thus allowing coaches to rapidly assess the relative abilities of their players, identify promising youths and work on eliminating skill deficits in players.  相似文献   
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In this article, the authors borrow from anti-oppressive education theory for its potential to disrupt how students visually conceive sporting bodies and to problematize the teaching and learning of these bodies within undergraduate physical education (PE) programs. Fourteen photo stories produced by students enrolled in PE programs at two universities were analysed using a semiotic approach to excavate the emergent themes of sporting bodies from the narratives. Relying on Kumashiro's anti-oppressive educational theoretical framework, the authors found that most of stories reified discursive practices that (re)produce gender oppression in sport. Despite these findings, the authors also discovered anti-oppressive pedagogies are useful for teaching against the body oppressions conveyed in the photo stories. How anti-oppressive education informs other areas of PE should be examined in the future.  相似文献   
26.
As state tests of student achievement are used for an increasingly wide array of high- and low-stakes purposes, evaluating their instructional sensitivity is essential. This article uses data from the Bill and Melinda Gates Foundation's Measures of Effective Project to examine the instructional sensitivity of 4 states' mathematics and English language arts assessments to 5 measures of pedagogical quality. The results indicate modest overall levels of sensitivity, with some state assessments insensitive to most or all measures of pedagogical quality. Furthermore, there are sometimes substantial differences across states in the sensitivity of their assessments. The article calls for more research on what makes state tests instructionally sensitive and cautions against the use of insensitive assessments for consequential decisions.  相似文献   
27.
Christian higher education is charged with the distinct mission of integrating faith and learning, and course-based service-learning has been identified as a supportive platform for this undertaking. Christian service-learning represents "a teaching and learning strategy that integrates academic instruction, community service, and guided reflection from a Christ-centered, faith-based perspective in order to enhance student learning, to foster civic responsibility, and to develop servant leaders” (Mullen, 2010 Mullen, S. (2010). Integrating a service and learning paradigm in a Christian education environment. Christian Education Journal, 7(1), 162171.[Crossref] [Google Scholar], p. 164). A large volume of literature pertaining to the theoretical and practical aspects of service-learning courses exists; however, the current literature and corresponding perceptions of best practice may not fully support the distinct nature of service-learning in Christian higher education. Therefore, the purpose of this article is to examine a predominant service-learning typology that dichotomizes traditional and critical service-learning (Mitchell, 2008 Mitchell, T. D. (2008). Traditional vs. critical service-learning: Engaging the literature to differentiate two models. Michigan Journal of Community Service Learning, 14(2), 5065. [Google Scholar]) through the contextualization of faith-based higher education. Then, in an attempt to further elaborate upon Mullen’s (2010 Mullen, S. (2010). Integrating a service and learning paradigm in a Christian education environment. Christian Education Journal, 7(1), 162171.[Crossref] [Google Scholar]) definition, Morton’s (1995 Morton, K. (1995). The irony of service: Charity, project, and social change in service learning. Michigan Journal of Community Service Learning, 2(1), 1932. [Google Scholar]) typology is recommended to frame Christian service-learning as it acknowledges the validity of multiple paradigms of service-learning (charity, project, and social change) and emphasizes the manner of their implementation (thick versus thin). Micro- and macro-level strategies, based on Morton’s (1995 Morton, K. (1995). The irony of service: Charity, project, and social change in service learning. Michigan Journal of Community Service Learning, 2(1), 1932. [Google Scholar]) typology and subsequent recommendations, are provided to support faculty members and administrators attempting to implement and sustain service-learning at faith-based institutions. Specifically, Christian institutions should prioritize faith-based organizations as core partners, and faculty members should intentionally utilize reflection to integrate faith and learning.  相似文献   
28.
This article reports an investigation of undergraduate motivation to learn. A Likert-type rating scale measure of motivation incorporated the general motivational dimensions identified by previous investigators, as well as a systematic theoretical framework that is more novel, and attempts to acknowledge the role of discipline-specific factors in motivation to learn. The motivation questionnaire was evaluated by measuring its success in explaining the academic achievement of biology, history, computing, planning, anthropology, geology, food science and nutrition, and education students (n = 380) in standard university assessments. The findings reveal that student performance is better explained by within- than across-discipline indexes of motivation, probably because some types of motivation lead to success in some disciplines but failure in others. Furthermore, items based on the theoretical framework developed to underpin the questionnaire (which distinguishes outcome from process incentives) were also found to explain more variation in student performance than general motivation items. Some practical implications of the findings are considered.  相似文献   
29.
The setting of standards for teaching is identified as central to any system of quality assurance for teaching and learning. The paper describes a number of initiatives which have been taken at the University of Ulster to identify and develop quality in teaching. They include a project to identify teaching skills through consultation with expert teachers; the use of quality circles of staff and students to specify standards for teaching; the use of student feedback on teaching; the introduction of a distinguished teaching award; the assessment of teaching competence when staff are selected; the introduction of a unit-based in-service teacher training course; and the encouragement of self and peer evaluation using an appraisal schedule. Quality assurance for support services is considered and finally the University's initiatives are related to total quality management and BS 5750.  相似文献   
30.
Estimating the number of glacial advances from surviving glacial debris can, amazingly enough, be cast as a records problem for which there is a substantial statistical literature. As a result, instructors may illustrate method of moments and maximum‐likelihood estimation techniques with an interesting problem in the physical sciences.  相似文献   
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