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   28997篇
  免费   406篇
  国内免费   2篇
  2021年   80篇
  2020年   139篇
  2019年   161篇
  2018年   3673篇
  2017年   2992篇
  2016年   2446篇
  2015年   364篇
  2014年   254篇
  2013年   881篇
  2012年   899篇
  2011年   2727篇
  2010年   2712篇
  2009年   1656篇
  2008年   1972篇
  2007年   2469篇
  2006年   273篇
  2005年   427篇
  2004年   375篇
  2003年   310篇
  2002年   261篇
  2001年   267篇
  2000年   277篇
  1999年   204篇
  1998年   105篇
  1997年   93篇
  1996年   87篇
  1993年   83篇
  1992年   140篇
  1991年   134篇
  1990年   139篇
  1989年   117篇
  1988年   111篇
  1987年   112篇
  1986年   121篇
  1985年   123篇
  1984年   108篇
  1983年   88篇
  1982年   82篇
  1981年   77篇
  1979年   128篇
  1976年   79篇
  1975年   88篇
  1974年   117篇
  1973年   95篇
  1972年   80篇
  1971年   78篇
  1970年   80篇
  1969年   82篇
  1968年   80篇
  1967年   91篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
101.
102.
We evaluated a procedure for identifying potential reinforcers with profoundly retarded individuals. In Experiment 1, six persons were repeatedly exposed to 16 stimuli, and approach behaviors to each stimulus were used to identify preferred and nonpreferred stimuli. In Experiment 2, we examined the reinforcing properties of preferred and nonpreferred stimuli by delivering them contingently on the occurrence of arbitrarily selected responses. Results revealed that the preferred stimulus conditions typically produced higher rates of responding than did either the baseline or the nonpreferred stimulus conditions, suggesting that the procedure can be used to assess reinforcer value for individuals with limited behavioral repertoires.  相似文献   
103.
The ability of first- and third-grade children and college adults to make excuse inferences about a speaker's use of an utterance and to modify those inferences appropriately upon receiving later information was examined in four experiments. Short stories containing an utterance by a speaker were read aloud. Utterances in the story were preceded by contextual information that suggested either that the speaker was truthful or making an excuse. Utterances were followed by information that confirmed or disconfirmed the excuse interpretation. The results of Experiment 1 indicated that even first and third graders can make excuse inferences, but these children rarely modify these interpretations upon receiving disconfirming information. In Experiments 2–4 possible reasons for the children's interpretive inflexibility were examined by varying the difficulty of relating the excuse interpretation and succeeding information. Results suggested processing difficulty, as well as an interpretive “set,” contributed to the children's inflexibility.  相似文献   
104.
105.
Rao VV  Rao VN 《Sex roles》1985,13(11-12):607-624
This study tests whether students from India hold more traditional sex role attitudes compared to students from the US, whether women from either country hold more liberal sex role attitudes than males, and whether socioeconomic and demographic factors are better predictors of sex role attitudes among women of either culture. Data were obtained in 1978 from a sample of 409 undergraduate students from three Mississippi colleges in the US and 419 undergraduate and graduate students from three educational institutions in Andhra Pradesh, India. Sex role attitudes are measured by scaling developed by Scanzoni (1975). Out of a total possible score of 100, the mean values are 69.09 for the US sample and 53.62 for the Indian sample. Differences between the means for all 20 sex role attitudes are statistically significant. Results indicate that US females and Indian females had less traditional sex role attitudes than their respective counterparts. Mother role, wife role, father role, and total sex role attitude were more traditional among males in India compared to males in the US and among females in India compared to females in the US. More traditional attitudes were held by males in India with lower educated fathers and unemployed mothers. Religion was the only variable significantly related to Indian female students. In the US, traditional sex role attitudes of males were significantly related to high maternal income and residence in urban areas. More traditional sex role attitudes among US females were related to increasing age and marital status. Stepwise analysis reveals that the most powerful explanatory factors were sex and mother's occupation among Indian students and sex, father's income, and year in college among US students. What little variance was explained was explained by more variables in the US sample, and the best model predictors explained more variance in the US sample.  相似文献   
106.
The publication in 1973 of Student Counselling in Practice signalled a new phase in the development of both careers and counselling services in the tertiary sector. The emergence of the professional careers adviser in higher education is described alongside the key role of the Association of Graduate Careers Advisory Services. The gradual professionalisation of student counselling is shown to have taken a different form, as a result of the policies of the Association for Student Counselling with its insistence on role definition and the accreditation of practitioners. Developments in further education are briefly reviewed, and a final section considers the present situation and possible future trends.  相似文献   
107.
108.
109.
Although the concept of interpersonal pursuing and distancing has been introduced and used clinically, the lack of a reliable and valid measure has deterred its more formal investigation and relevance to personality theory. The Pursuing-Distancing (P-D) Scale, a 92-item measure of the behavioral expression of these characteristics, was developed. Evidence for internal consistency as well as internal support of construct validity is presented and discussed. An 80-item revised scale is available from the authors and is currently being evaluated in a variety of external validation settings.  相似文献   
110.
This study empirically tested Bem's (1974) assumption that the BSRI Masculinity and Femininity scales measure sex-typed standards of desirable behavior for men and women in American society. The adequacy of items in the two scales was evaluated by Bem's (1974) criteria using two types of desirability and stereotype ratings. Results obtained in all the experimental conditions except one involving Bem's desirability instructions and Bem's rating scale did not support the tested assumption. Implications of these results for revising the BSRI scales were discussed.  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