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   7562篇
  免费   93篇
  国内免费   5篇
教育   5190篇
科学研究   998篇
各国文化   73篇
体育   485篇
综合类   6篇
文化理论   53篇
信息传播   855篇
  2021年   69篇
  2020年   90篇
  2019年   151篇
  2018年   196篇
  2017年   165篇
  2016年   165篇
  2015年   109篇
  2014年   139篇
  2013年   1389篇
  2012年   147篇
  2011年   149篇
  2010年   136篇
  2009年   115篇
  2008年   134篇
  2007年   107篇
  2006年   125篇
  2005年   107篇
  2004年   121篇
  2003年   90篇
  2002年   95篇
  2001年   127篇
  2000年   121篇
  1999年   107篇
  1998年   71篇
  1997年   72篇
  1996年   81篇
  1995年   61篇
  1994年   56篇
  1993年   87篇
  1992年   110篇
  1991年   112篇
  1990年   109篇
  1989年   95篇
  1988年   86篇
  1987年   105篇
  1986年   93篇
  1985年   103篇
  1984年   89篇
  1983年   96篇
  1982年   95篇
  1981年   75篇
  1980年   75篇
  1979年   100篇
  1978年   90篇
  1977年   84篇
  1976年   76篇
  1974年   69篇
  1973年   65篇
  1972年   55篇
  1971年   58篇
排序方式: 共有7660条查询结果,搜索用时 15 毫秒
911.
Given the importance of developing civically engaged and knowledgeable citizens, many have sought to improve the quality of students’ civic education experiences. This article examines one particular effort spearheaded by the Joe Foss Institute, the Civic Education Initiative (CEI). Since the CEI was announced, 18 states have passed legislation that includes a civics test component embedded in the CEI. This conceptual article examines the CEI against research-based practices for teaching civics. It then introduces the policy design framework as a tool for analyzing civic policies like CEI. This political science theory recognizes that policies themselves send important signals that have implications for students’ civic development. We utilize the policy design framework to analyze CEI and, in particular, how CEI is likely to shape students’ civic and political engagement. We conclude with a proposal for future research on civic education using the policy design framework.  相似文献   
912.
Arnove  Robert F. 《Prospects》2020,49(1-2):43-46
PROSPECTS - This Viewpoint argues that the COVID-19 crisis offers a unique chance to imagine more equitable societies and education systems. It is also a call to action, to take meaningful action...  相似文献   
913.
This research investigated the effects of employing fixed, variable, and extended token exchange periods for backups on the completion and quality of daily assignments of a total fifth- and sixth-grade class. The results indicated a higher percentage of assignments was completed when the number of days between point exchanges was variable, and that performance was maintained when the number of school days between point exchanges was gradually increased. The overall accuracy on assignments was high, but varying, and did not appear to be under the systematic control of the experimental procedures. Data for all pupils indicated that there were individual differences as to the effects of the various token (point) exchange procedures. Pupils with inconsistent assignment completion during Fixed Exchange Conditions (Fixed Period (FP-I, -II, -III) increased their assignment completion during the Variable Token Exchange Procedures (Variable Period (VP)-I, -II, -III). Thus, the variable sequencing of the number of days should be an important consideration in any effort to maintain the positive effects of token-reinforcement systems within classroom settings.  相似文献   
914.
915.
916.
917.
918.
Intake of a 0.15% saccharin solution was suppressed when it was followed by a 32% sucrose solution in brief daily pairings. With equal access durations to the two solutions, intervals of intermediate duration (2 or 3 min) produced a larger contrast than more extreme intervals (1 or 10 min). There was no evidence of inhibition of delay with the 10-min interval (Experiments 1A and 1B). When access times were asymmetrical, longer access time to the first solution reduced contrast, whereas longer access time to the second solution enhanced contrast (Experiment 2). Contrast was greater when the two solutions were presented at consistent and separate spatial locations than when location was changed randomly or when both solutions were presented in sequence at the same location. However, a degree of contrast occurred in all conditions (Experiment 3). Experiment 4, conducted with the solutions in opposite arms of a T-maze, showed that anticipatory approach to the location correlated with the 32% sucrose solution developed prior to lick suppression on the saccharin solution. However, within daily sessions, there was a reliable increase in contrast without correlated changes in anticipatory-approach behavior. Access-time effects were attributed to altered reward values, whereas spatial-separation effects suggest that goal-directed responses contribute to, but do not cause, anticipatory contrast.  相似文献   
919.
This study examined differential enrollment, survival, progress, and academic success of both black and white first-time-in-college students according to three admission categories (unrestrictive, restrictive, and special) in predominantly white universities in the Florida State University System. Data were extracted from the Board of Regents' student data course files and analyzed. White students were enrolled almost exclusively in the traditional (unrestrictive) category, while black students were almost equally enrolled in all three categories. Although the overall survival rate of white students was higher than that of black students, within each admission category, the survival rate of black students was higher than that of white students.This paper was presented at the Annual Meeting of the American Educational Research Association, Boston, April 1980.  相似文献   
920.
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