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   1949篇
  免费   51篇
  国内免费   4篇
教育   1408篇
科学研究   166篇
各国文化   33篇
体育   186篇
综合类   1篇
文化理论   38篇
信息传播   172篇
  2023年   12篇
  2022年   16篇
  2021年   29篇
  2020年   31篇
  2019年   55篇
  2018年   70篇
  2017年   78篇
  2016年   92篇
  2015年   51篇
  2014年   80篇
  2013年   457篇
  2012年   45篇
  2011年   52篇
  2010年   55篇
  2009年   52篇
  2008年   74篇
  2007年   47篇
  2006年   50篇
  2005年   44篇
  2004年   40篇
  2003年   34篇
  2002年   42篇
  2001年   20篇
  2000年   21篇
  1999年   17篇
  1998年   14篇
  1997年   23篇
  1996年   16篇
  1995年   19篇
  1994年   19篇
  1993年   19篇
  1992年   17篇
  1991年   19篇
  1990年   9篇
  1989年   20篇
  1988年   14篇
  1987年   9篇
  1986年   9篇
  1985年   16篇
  1984年   10篇
  1983年   17篇
  1982年   19篇
  1981年   9篇
  1979年   12篇
  1978年   13篇
  1977年   9篇
  1974年   13篇
  1973年   10篇
  1970年   7篇
  1965年   7篇
排序方式: 共有2004条查询结果,搜索用时 15 毫秒
41.
42.
43.
44.
Supplemental instruction classes have been shown in many studies to enhance performance in the supported courses and even to improve graduation rates. Generally, there has been little evidence of a differential impact on students from different ethnic/racial backgrounds. At San Francisco State University, however, supplemental instruction in the Introductory Biology I class is associated with even more dramatic gains among students from underrepresented minority populations than the gains found among their peers. These gains do not seem to be the product of better students availing themselves of supplemental instruction or other outside factors. The Introductory Biology I class consists of a team-taught lecture component, taught in a large lecture classroom, and a laboratory component where students participate in smaller lab sections. Students are expected to master an understanding of basic concepts, content, and vocabulary in biology as well as gain laboratory investigation skills and experience applying scientific methodology. In this context, supplemental instruction classes are cooperative learning environments where students participate in learning activities that complement the course material, focusing on student misconceptions and difficulties, construction of a scaffolded knowledge base, applications involving problem solving, and articulation of constructs with peers.  相似文献   
45.
For this study, information on Who Bullies Who was collected from 54 school classes with 918 children (M age = 11) and 13,606 dyadic relations. Bullying and victimization were viewed separately from the point of view of the bully and the victim. The two perspectives were highly complementary. The probability of a bully-victim relationship was higher if the bully was more dominant than the victim, and if the victim was more vulnerable than the bully and more rejected by the class. In a bully-victim dyad, boys were more often the bullies. There was no finding of sex effect for victimization. Liking reduced and disliking increased the probability of a bully-victim relationship.  相似文献   
46.
47.
Increasing numbers of children are being born through egg donation and thus do not share a genetic relationship with their mother. Parent–infant relationship quality was examined in 85 egg donation families and a comparison group of 65 in vitro fertilization families (infant = 11 months). Standardized interview and observational measures were used to assess mother–infant and father–infant relationship quality at the representational and behavioral levels. Few differences were found between family types in parents’ representations of the parent–infant relationship. Differences were found between family types in the observational assessment of mother–infant relationship quality, indicating less optimal interactions in egg donation families. Findings suggest that egg donation families function well in infancy overall, but there may be subtle yet meaningful differences in mother–infant interaction quality.  相似文献   
48.
We describe an activity that introduces students to population modelling, enables them to use estimates obtained from a sample to infer back to the population, and understands how the findings are translatable via penguins and their poo!  相似文献   
49.
This study demonstrates how academicians and practitioners can work together on an important topic that matters to organizational performance: the pivotal role played by salespeople during new product launches. In particular, the authors present three potential interventions that training and sales managers may use to sell a new product to salespeople. The results legitimatize the critical contribution of sales training to new product sales performance and highlight the value of the partnership between training professionals and sales managers.  相似文献   
50.
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