首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   8773篇
  免费   68篇
  国内免费   7篇
教育   6475篇
科学研究   729篇
各国文化   147篇
体育   526篇
综合类   5篇
文化理论   105篇
信息传播   861篇
  2021年   55篇
  2020年   84篇
  2019年   155篇
  2018年   207篇
  2017年   237篇
  2016年   220篇
  2015年   171篇
  2014年   216篇
  2013年   2047篇
  2012年   172篇
  2011年   192篇
  2010年   182篇
  2009年   158篇
  2008年   200篇
  2007年   205篇
  2006年   188篇
  2005年   191篇
  2004年   177篇
  2003年   154篇
  2002年   148篇
  2001年   126篇
  2000年   126篇
  1999年   133篇
  1998年   113篇
  1997年   117篇
  1996年   119篇
  1995年   147篇
  1994年   121篇
  1993年   106篇
  1992年   114篇
  1991年   106篇
  1990年   102篇
  1989年   107篇
  1988年   98篇
  1987年   96篇
  1986年   88篇
  1985年   99篇
  1984年   105篇
  1983年   99篇
  1982年   109篇
  1981年   82篇
  1980年   61篇
  1979年   74篇
  1978年   77篇
  1977年   85篇
  1976年   67篇
  1975年   56篇
  1974年   59篇
  1973年   60篇
  1971年   44篇
排序方式: 共有8848条查询结果,搜索用时 15 毫秒
201.
202.
203.
204.
205.
206.
Traditional approaches to formative evaluation include one-to-one trials which provide some information about revisions that are needed in instructional materials, but typically fail to provide sufficient information about the learner's cognitive processing problems while studying the materials. Read-think-aloud methods are a viable alternative to traditional one-to-ones and provide valuable information about the learner's cognitive processing while reading instructional text. In this paper we describe the read-think-aloud method of formative evaluation and offer suggestions for its use.  相似文献   
207.
The study assessed the effects of achievement standards, and choice of such standards, on mathematics performance in conditions where no tangible rewards were presented for reaching such standards. Elementary, junior high, and high school students performed a multiplication task in conditions where they chose standards, had standards imposed by an experimenter, or had no standards. Results demonstrated that high school students worked more multiplication problems when they chose standards than when identical standards were imposed by an experimenter or when no standards were present. Moreover, male students who chose standards worked more problems than did male students who had no standards; this effect was not found for female students.  相似文献   
208.
John Downer 《Minerva》2017,55(2):229-248
Publics and policymakers increasingly have to contend with the risks of complex, safety-critical technologies, such as airframes and reactors. As such, ‘technological risk’ has become an important object of modern governance, with state regulators as core agents, and ‘reliability assessment’ as the most essential metric. The Science and Technology Studies (STS) literature casts doubt on whether or not we should place our faith in these assessments because predictively calculating the ultra-high reliability required of such systems poses seemingly insurmountable epistemological problems. This paper argues that these misgivings are warranted in the nuclear sphere, despite evidence from the aviation sphere suggesting that such calculations can be accurate. It explains why regulatory calculations that predict the reliability of new airframes cannot work in principle, and then it explains why those calculations work in practice. It then builds on this explanation to argue that the means by which engineers manage reliability in aviation is highly domain-specific, and to suggest how a more nuanced understanding of jetliners could inform debates about nuclear energy.  相似文献   
209.
The aim of this study was to examine the association between alcohol consumption, alcohol sponsorship in sports and preferences of sponsored sportspeople regarding sponsorships/consumption. We investigate the impact of alcohol sponsorship on sportspeople in the Australian population using a national survey of sportspeople (N?=?2367), representing a range of club and professional sports. The results show an association between alcohol sponsorship of sport and increased alcohol consumption among sports participants (i.e. ‘sportspeople’). Additionally, a preference for sponsored alcohol brands was found by sponsored sportspeople. Our research adds to the growing evidence for policy review of alcohol sponsorship of sports and extends prior studies investigating impacts of alcohol sponsorship upon sports participants by generalizing to a large, national sample of sportspeople.  相似文献   
210.
Tracing one's family genealogy is a complex process that requires situating a family's narratives within a historical context. This article reviews the use of critical family history research in an undergraduate Asian American studies course to examine not only the diversity and experiences of Asian Americans but also the unspoken narratives that lead to the creation of a single story. We are told single stories that often neglect the sociocultural factors—the historical reality—of our past. Our family histories are constructed historically and are embedded in social, political, and economic processes and relationships. This article argues that we need to complicate what we know about our past and examine policies and cultural practices that lead to a racialized system of power and privilege, racialized policies, and racialized oppression and progression.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号