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   2459篇
  免费   61篇
  国内免费   7篇
教育   2034篇
科学研究   84篇
各国文化   28篇
体育   107篇
综合类   14篇
文化理论   16篇
信息传播   244篇
  2023年   11篇
  2022年   11篇
  2021年   26篇
  2020年   49篇
  2019年   53篇
  2018年   85篇
  2017年   73篇
  2016年   69篇
  2015年   51篇
  2014年   73篇
  2013年   477篇
  2012年   106篇
  2011年   109篇
  2010年   91篇
  2009年   76篇
  2008年   89篇
  2007年   74篇
  2006年   79篇
  2005年   61篇
  2004年   52篇
  2003年   49篇
  2002年   54篇
  2001年   37篇
  2000年   50篇
  1999年   37篇
  1998年   26篇
  1997年   27篇
  1996年   29篇
  1995年   33篇
  1994年   24篇
  1993年   28篇
  1992年   25篇
  1991年   21篇
  1990年   31篇
  1989年   24篇
  1988年   18篇
  1987年   21篇
  1986年   21篇
  1985年   24篇
  1984年   20篇
  1983年   17篇
  1982年   22篇
  1981年   27篇
  1980年   16篇
  1979年   16篇
  1978年   14篇
  1977年   19篇
  1976年   11篇
  1975年   10篇
  1974年   17篇
排序方式: 共有2527条查询结果,搜索用时 442 毫秒
241.
Adult benefits for participants in Project CARE were compared with those of the Abecedarian Project, a closely related randomized study of early childhood educational intervention for children from low-income families who were at risk of developmental delays and school failure. CARE replicated Abecedarian's young adult treatment-related educational and vocational attainment gains. CARE data also supported the Abecedarian reduction in marijuana use. Treated individuals in both studies reported adopting a more active life style. The average age at birth of a first child, the number of children, and the proportion of teen parents were positively affected in the Abecedarian sample but not in CARE. Finding significant educational and vocational gains lasting into young adulthood in the CARE study reinforces Abecedarian young adult findings and strengthens the case for early childhood intervention for children from low-income families.  相似文献   
242.
Most studies of parent–child bookreading have focused on mothers reading to their children. Though the role of fathers in children's lives is widely emphasized, we know almost nothing about father–child bookreading, particularly among low-income families. The present study was designed to examine how often low-income fathers report reading to their children and what the predictors and effects of paternal bookreading are. The fathers in this study were participants in the national evaluation of Early Head Start (EHS) and were recruited via mothers enrolled in the EHS study. Participating fathers were interviewed at home and their children's cognitive and language development were assessed using standardized measures from ages 2 to 5. Results demonstrated a wide variety in frequency of bookreading among fathers. Fathers were more likely to read to their children frequently if they spoke English at home, if they had a high school education, and if their children had better language skills. Fathers’ bookreading predicted children's cognitive outcome. Paternal bookreading did predict children's language outcomes but only for children whose fathers had at least a high school education.  相似文献   
243.
This study utilized early reading assessment data from a randomized trial of 210 urban and rural schools in Texas to examine contextual effects on risk prediction in first and second grade. The primary objective was to examine the roles of (a) individual differences, (b) the grade 1 classroom, and (c) the pairing of first and second grade teachers in determining grade 2 outcomes in word reading and fluency. A second objective was to investigate whether the administration format of the assessment (paper, paper plus desktop, handheld plus desktop) or the level of teacher support (web mentoring, no mentoring) moderated the prediction. These moderator variables proved not to be significant. Subsequent analyses found that a combination of student pretest and mean of pretest classroom was a better predictor than student pretest alone. Additionally, the effect of student scores varied by teacher-pair. On average, intraclass correlations (ICCs) ranged from 6% to 17%. Differences in ICCs at the classroom level were much greater than at the school level, and differences in urban schools were twice that of rural schools.  相似文献   
244.
245.
ABSTRACT

Population aging is exacerbating the loss of competences in the workforce and simultaneously young people neither in employment nor in education and training (NEETs) are struggling to be reengaged in employment. These issues, which are deemed priorities for the European policy agenda, could be addressed by triggering active aging dimensions, valuing and exploiting older adult entrepreneurs’ knowledge for enhancing youngsters’ entrepreneurial attitudes, through mentoring. This paper reports the results of a study based on an intergenerational learning program, carried out in 2018 in Germany, Italy and Slovenia. The study was aimed at developing and testing one training on mentoring addressing 41 older adult entrepreneurs (55 and over), and two intergenerational learning trainings aiming at boosting entrepreneurial competences of 33 NEETs (aged 18–29). The impact of the program on older adult entrepreneurs and NEETs was assessed through a pre and post-evaluation using qualitative and quantitative tools. Findings at country level were treated as national case-studies and then the latter were compared by considering them as a multiple embedded case-study. Results indicated that, to different extent in the study countries, mentors learned and enhanced mentoring competences, e.g. active listening and the capability of orienting, improved well-being and self-esteem, social inclusion and active aging attitude. Moreover, NEETs acquired entrepreneurial and socio-relational competences by benefiting from the full exploitation of mentors’ know-how and the trust relationship with them. Companies, trade unions, educational and voluntary organizations should cooperate to adopt intergenerational learning programs as good practices for older adults and NEETs’ lifelong learning promotion.  相似文献   
246.
本文通过确定网络教研功能总体目标,对常规教研的功能性分析,设计功能模块与构建网络教研平台三个步骤对区域网络教研平台的功能框架进行研究,阐明网络教研平台可实现的教研功能、平台包含的功能模块以及在平台中各功能模块之间的关系,对于我国基础教育实践中的相关问题具有一定的指导意义。  相似文献   
247.
Research in Science Education - This educational study aimed to explore the feasibility and acceptance of a literacy exercise adopted from the realworld of scientific publishing in a cell and...  相似文献   
248.
Reading and Writing - This study investigates the effects of prosodic sensitivity on reading. Highly capable adult musicians (i.e., persons with potentially excellent prosodic skills) and...  相似文献   
249.
本文作出了北京谱仪主漂移室的径迹拟合程序包,阐述了该程序包的原理,并运用e~+e~-→i/Ψ→μ~+μ~-蒙得卡罗事例进行检验,动量分辨符合要求.该程序包目前已用于北京谱仪J/Ψ物理的研究之中.  相似文献   
250.
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