全文获取类型
收费全文 | 322篇 |
免费 | 9篇 |
专业分类
教育 | 179篇 |
科学研究 | 17篇 |
各国文化 | 6篇 |
体育 | 88篇 |
文化理论 | 2篇 |
信息传播 | 39篇 |
出版年
2023年 | 1篇 |
2022年 | 7篇 |
2021年 | 6篇 |
2020年 | 12篇 |
2019年 | 22篇 |
2018年 | 32篇 |
2017年 | 36篇 |
2016年 | 17篇 |
2015年 | 11篇 |
2014年 | 8篇 |
2013年 | 80篇 |
2012年 | 12篇 |
2011年 | 11篇 |
2010年 | 6篇 |
2009年 | 15篇 |
2008年 | 3篇 |
2007年 | 7篇 |
2006年 | 11篇 |
2005年 | 3篇 |
2004年 | 4篇 |
2003年 | 3篇 |
2002年 | 5篇 |
2001年 | 3篇 |
1999年 | 3篇 |
1997年 | 2篇 |
1996年 | 1篇 |
1994年 | 1篇 |
1992年 | 3篇 |
1991年 | 2篇 |
1990年 | 2篇 |
1982年 | 1篇 |
1973年 | 1篇 |
排序方式: 共有331条查询结果,搜索用时 15 毫秒
41.
Sport scientists have examined numerous factors influencing the acquisition and manifestation of high levels of performance. These factors can be divided into variables having a primary influence on expertise and variables that have a secondary influence through their interaction with other variables. Primary influences on expertise include genetic, training, and psychological factors while secondary influences include socio‐cultural and contextual elements. This paper reviews the factors affecting the development of expert performance in sport and suggests directions for future research. 相似文献
42.
Daniel L. Schwartz Sean Brophy Xiaodong Lin John D. Bransford 《Educational technology research and development : ETR & D》1999,47(2):39-59
Inquiry-based instruction including problem-, project-, and case-based methods often incorporate complex sets of learning
activities. The numerous activities run the risk of becoming disconnected in the minds of learners and teachers. STAR.Legacy
is a software shell that can help designers organize learning activities into an inquiry cycle that is easy to understand
and pedagogically sound. To ensure that classroom teachers can adapt the inquiry activities according to their local resources
and needs, STAR.Legacy was built upon four types of design principles: learner centered, knowledge centered, assessment centered,
and community centered. We describe how a STAR.Legacy constructed for an educational psychology course helped preservice teachers
design and learn about effective inquiry-based instruction.
This work was supported by grant #R305F60090 from the Department of Education. The authors thank the educational psychology
students for their contributions to this paper and Amy Ryce for her editorial talents. 相似文献
43.
Toward a Learning Technologies knowledge network 总被引:3,自引:0,他引:3
Roy D. Pea Robert Tinker Marcia Linn Barbara Means John Bransford Jeremy Roschelle Sherry Hsi Sean Brophy Nancy Songer 《Educational technology research and development : ETR & D》1999,47(2):19-38
The National Science Foundation-funded Center for Innovative Learning Technologies (CILT) is designed to be a national resource
for stimulating research and development of technology-enabled solutions to critical problems in K-14 science, math, engineering
and technology learning. The Center, launched at the end of 1997, is organized around four themes identified as areas where
research is likely to result in major gains in teaching and learning, and sponsors research across disciplines and institutions
in its four theme areas. CILT brings together experts in the fields of cognitive science, educational technologies, computer
science, subject matter learning, and engineering. It engages business through an Industry Alliance Program and is also training
postdoctoral students. CILT's founding organizations are SRI International's Center for Technology in Learning, University
of California at Berkeley (School of Education and Department of Computer Science), Vanderbilt University's Learning Technology
Center, and the Concord Consortium. Through its programs, CILT seeks to reach beyond these organizations to create a web of
organizations, individuals, industries, schools, foundations, government agencies, and labs, that is devoted to the production,
sharing and use of new knowledge about how learning technologies can dramatically improve the processes and outcomes of learning
and teaching. This paper describes the rationale and operations of the Center, and first-year progress in defining a set of
CILT partnership projects with many other institutions that came out of our national theme-team workshops.
Roy Pea, of SRI International, is Director of CILT.
Marcia Linn (U. California, Berkeley), John Bransford (Vanderbilt University), Barbara Means (SRI International), and Robert
Tinker (Concord Consortium), serve as CILT's coprincipal investigators.
Sherry Hsi (Ubiquitous Computing) and Sean Brophy (Technology and Assessment Models) are among the first group of CILT Postdoctoral
Fellows.
Jeremy Roschelle (SRI International) and Nancy Songer (University of Michigan) are CILT theme-team leaders.
Roy Pea and Marcia Linn would like to thank the Spencer Foundation for support during their year at the Center for Advanced
Study in the Behavioral Sciences, Stanford University, in which they developed the CILT concept with the other authors. CILT
is funded by National Science Foundation grant #CDA-9720384. Pea and Linn would also like to acknowledge contributions to
this article by the many authors of CILT partnership project proposals, and by theme-team leaders.
The authors thankfully acknowledge Donna Baranski-Walker for her many contributions to developing the CILT Industrial Alliance
Program while serving as its Director in 1998. 相似文献
44.
Quinlan S 《Endeavour》2010,34(4):142-150
During the French Revolution, there appeared a striking and far-ranging medical literature on heredity, reproduction and biological 'perfectibility'. In some ways anticipating ideas associated with modern eugenics, these writings emerged from radical revolutionary projects for 'physical and moral regeneration' and incarnated deep-seated desires to transform French society and make a 'new man' in mind and body. But by breaking down boundaries between public and private life, doctors did more than just try to regulate intimate sexual behaviour. Instead, they proffered a more intimate vision of civic volunteerism, in which sexual hygiene and domestic practices allowed their patients to imagine new forms of society and gave them ways to attain these socio-political dreams. Moreover, they were responding to powerful new worries about heredity and sought to counsel their patients in the ways of family panning. By the end of revolutionary period, then, medical and lay thinkers had transformed the marriage bed and household into a specially controlled environment - a kind of affective laboratory - in which conscientious parents could make healthy children and raise them in the context of specific political and social values. 相似文献
45.
Thomas Sawczuk Ben Jones Sean Scantlebury Kevin Till 《Journal of sports sciences》2018,36(21):2431-2437
This study assessed the influence of training load, exposure to match play and sleep duration on two daily wellbeing measures in youth athletes. Forty-eight youth athletes (age 17.3 ± 0.5 years) completed a daily wellbeing questionnaire (DWB), the Perceived Recovery Status scale (PRS), and provided details on the previous day’s training loads (TL) and self-reported sleep duration (sleep) every day for 13 weeks (n = 2727). Linear mixed models assessed the effect of TL, exposure to match play and sleep on DWB and PRS. An increase in TL had a most likely small effect on muscle soreness (d = ?0.43;± 0.10) and PRS (d = ?0.37;± 0.09). Match play had a likely small additive effect on muscle soreness (d = ?0.26;± 0.09) and PRS (d = ?0.25;± 0.08). An increase in sleep had a most likely moderate effect on sleep quality (d = 0.80;± 0.14); a most likely small effect on DWB (d = 0.45;± 0.09) and fatigue (d = 0.42;± 0.11); and a likely small effect on PRS (d = 0.25;± 0.09). All other effects were trivial or did not reach the pre-determined threshold for practical significance. The influence of sleep on multiple DWB subscales and the PRS suggests that practitioners should consider the recovery of an athlete alongside the training stress imposed when considering deviations in wellbeing measures. 相似文献
46.
Sean F. Brown 《Sport in Society》2018,21(10):1558-1580
AbstractSocial capital research that specifically interrogates the motives for both benefactors and beneficiaries typically gives short shrift to the motives of beneficiaries, instead focusing on those of benefactors. Building on ideas first proposed in gift-giving and help-seeking research, this paper pays particular attention to the motives of recipients in social capital exchanges. Based on fieldwork in a youth baseball league in the American Southwest, I will argue that recipient motives for accepting (or asking for) help from another parent in the league are complex and worth studying on their own merit. Motives are explored for three of the four types of benefits typically exchanged in the Valley City Little League: Emotional Support, Information Sharing, and Job Information Sharing. Childcare is treated elsewhere. 相似文献
47.
Sean F. Brown 《Sport in Society》2018,21(10):1581-1591
AbstractExaminations of motives for benefactors and beneficiaries in social capital exchanges typically examines motives of benefactors, leaving those of recipients unexamined. Based on 18 months of fieldwork in a youth baseball league in the American Southwest, I propose in this paper that, in some cases, the motives of beneficiaries are in fact more complicated and interesting to interrogate than the motives of benefactors. I provide a detailed look at one of these types of exchanges in particular that was typical within the Valley City Little League, that of childcare. Based on this work, I propose that social capital researchers will do well to advance the overall concept by placing a greater emphasis on recipient motives. 相似文献
48.
We examine the announcements of high tech mergers using a relatively new proxy for growth options we call “growth to book.” We find this adds significantly to help explain the premiums paid and announcement period abnormal returns when acquiring tech targets. Higher synergies are expected by managers and investors when targets have low growth options and acquirers have high growth options, resulting in higher premiums paid and either less negative or more positive abnormal returns. However, we find significant variation in the results by the relative size of the target and when low growth to book (GTB) firms acquire. While high GTB acquirers tend to pay more in premiums, low GTB acquirers can pay higher premiums and receive some of the most negative returns at announcement. We find evidence some acquisitions are motivated by desperation as these acquirers have the lowest GTB and do a disproportionate number of the relatively largest deals, receiving the worst abnormal returns at announcement. 相似文献
49.
Sean P. Cumming Rebecca A. Battista Martyn Standage Martha E. Ewing Robert M. Malina 《Journal of sports sciences》2013,31(10):1039-1046
Abstract In this study, we examined the relations between biological maturity status, body mass index, age, and perceptions of adult autonomy support in the context of youth soccer. A total of 70 female and 43 male soccer players, aged 9 – 15 years, completed three adult-specific versions (i.e. mother, father, coach) of the perceived autonomy support subscale from the Interpersonal Style Scale. The participants' percent predicted adult stature was used as an estimate of biological maturity status. Multiple linear regression analyses revealed that advanced maturity status in male players predicted lower perceptions of autonomy support from the coach. Maturity status was unrelated to perceptions of autonomy support from the coach in female soccer players, and paternal and maternal autonomy support in male and female players. Age and body mass index were unrelated to perceptions of adult (i.e. coach, mother, father) autonomy support in male and female players. 相似文献
50.
Information systems researchers that apply critical social perspectives frequently emphasize the potential for information technology to serve as a mechanism for increased rationalization, domination, and control. Such theorists often overlook or discount the liberating aspects of information systems. In this study, we apply the ideal of rational discourse developed by Jürgen Habermas to the phenomenon of Wikipedia in an effort to explore empirically the emancipatory potential of information systems. We contend that Wikipedia embodies an approximation of the necessary conditions for rational discourse. While several challenges persist, the example of Wikipedia illustrates the positive potential of information systems in supporting the emergence of more emancipatory forms of communication. The corresponding implications for researchers and design professionals alike are discussed. 相似文献