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   42508篇
  免费   968篇
  国内免费   14篇
  2020年   267篇
  2019年   260篇
  2018年   3833篇
  2017年   3118篇
  2016年   2602篇
  2015年   454篇
  2014年   442篇
  2013年   1701篇
  2012年   1184篇
  2011年   3034篇
  2010年   2848篇
  2009年   1906篇
  2008年   2295篇
  2007年   2731篇
  2006年   600篇
  2005年   723篇
  2004年   653篇
  2003年   577篇
  2002年   496篇
  2001年   838篇
  2000年   870篇
  1999年   628篇
  1998年   265篇
  1997年   237篇
  1996年   214篇
  1992年   497篇
  1991年   435篇
  1990年   503篇
  1989年   423篇
  1988年   399篇
  1987年   377篇
  1986年   402篇
  1985年   453篇
  1984年   350篇
  1983年   294篇
  1982年   228篇
  1979年   336篇
  1978年   265篇
  1977年   211篇
  1976年   212篇
  1975年   308篇
  1974年   355篇
  1973年   363篇
  1972年   285篇
  1971年   252篇
  1970年   221篇
  1969年   241篇
  1968年   304篇
  1967年   261篇
  1966年   281篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
141.
The youngest subject (age 5) participating in the 1986 evaluation studies published in this Journal returned 25 mo. after finishing REHABIT training. This boy's test scores showed a significant decline in verbal ability. It was concluded that follow-up studies of REHABIT clients are necessary and that such clients should be cautioned that regression may occur.  相似文献   
142.
The Rosenberg Self-esteem Scale was administered to 550 14- and 16-yr.-old (+/- 6 mo.) girls. Self-esteem scores were categorized by weight and weight by height. Scores on the Quetelet Index for obesity were correlated with self-esteem scores. Mean self-esteem of the low- and middle-weight by height group was significantly higher than the mean of the high-weight by height group. In analyzing weight alone, the self-esteem of the middle-weight group was significantly higher than the self-esteem of the high-weight group. The correlation of the obesity index and self-esteem indicated that as weight increased self-esteem decreased.  相似文献   
143.
144.
"Abnormal fusion" of stereopsis and binocular rivalry   总被引:1,自引:0,他引:1  
  相似文献   
145.
146.
Practice in front of a mirror is a common procedure for activities such as dance, gymnastics, and other sports. The purpose of this study was to examine the effect that performing with concurrent visual feedback from a mirror had on the acquisition of the power clean movement. 18 college-age males who had no prior experience with the power clean movement served as subjects who were assigned to one of two groups. One group had use of a mirror during the practice trials and the other practiced without the mirror. All subjects viewed an instructional videotape and had practice trials. All subjects were evaluated for proper technique on a pretest, a posttest without the mirror, and a posttest with the mirror. Analysis showed a significant difference between pre- and posttest performances for both groups and a significant difference between groups on the posttest performances with the mirror. Evidently the videotaped instruction was sufficient to allow both groups to improve in performance of the power clean. Differences in posttest performances with the mirror reflected the type of feedback (with or without the mirror) available during training.  相似文献   
147.
148.
149.
We studied the correlation of one measure of imagery ability, the Visual Elaboration Scale, with two others, absorption of image and effort required to form a mental image. Significant correlations were obtained between the Visual Elaboration Scale and the other scales, with the exception of Absorption for women.  相似文献   
150.
INDIVIDUAL AND SITUATIONAL CORRELATES OF WHISTLE-BLOWING   总被引:5,自引:0,他引:5  
Although popular interest in whistle-blowing continues to increase, little is known about why some employees who observe wrongdoing report it, while others do not. In the present study, we analyze archival survey data from individuals who observed wrongdoing in any of 22 organizations. Results are generally consistent with predictions based on a model of whistle-blowing as a type of prosocial behavior. Whistle-blowing was more likely when observers of wrongdoing (1) held professional positions, (2) had more positive reactions to their work, (3) had longer service, (4) were recently recognized for good performance, (5) were male (though race was unrelated to whistle-blowing), (6) were members of larger work groups, and (7) were employed by organizations perceived by others to be responsive to complaints. Implications for research and practice are described.  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