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   30000篇
  免费   1058篇
  国内免费   12篇
  31070篇
  2018年   424篇
  2017年   430篇
  2016年   435篇
  2015年   320篇
  2014年   400篇
  2013年   2168篇
  2012年   739篇
  2011年   773篇
  2010年   502篇
  2009年   477篇
  2008年   738篇
  2007年   690篇
  2006年   645篇
  2005年   571篇
  2004年   575篇
  2003年   552篇
  2002年   582篇
  2001年   835篇
  2000年   817篇
  1999年   630篇
  1998年   308篇
  1997年   321篇
  1996年   326篇
  1995年   299篇
  1992年   591篇
  1991年   562篇
  1990年   547篇
  1989年   506篇
  1988年   516篇
  1987年   495篇
  1986年   535篇
  1985年   525篇
  1984年   465篇
  1983年   404篇
  1981年   315篇
  1979年   485篇
  1978年   389篇
  1977年   340篇
  1976年   338篇
  1975年   396篇
  1974年   506篇
  1973年   551篇
  1972年   406篇
  1971年   426篇
  1970年   409篇
  1969年   428篇
  1968年   533篇
  1967年   473篇
  1966年   498篇
  1958年   307篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
911.
912.
913.
The focus of this paper is mechanisms that may be responsible for intellectual and developmental differences in the cognitive strategies of typical and atypical children, including those with mental retardation. The discussion of these mechanisms is based on behavioral experiments on external memory strategies and on a set of neural network models designed for these tasks. Following the review of the external memory research, the rationale for using neural network models, how they have been used in other research, and their specific application to intellectual and developmental differences in external memory, including the results of several simulations, are reviewed. This is followed by a discussion of the mechanisms of intellectual differences and developmental change included in the models and some challenges for this type of modeling. Neural network modeling is discussed as an asset to research on cognitive development.  相似文献   
914.
Adaptiveness constitutes coping consistently with Stressors so to reduce distress or, at worst, not aggravate it. Accordingly, it should moderate the adverse impact of hassles. Undergraduate volunteers (N = 200) responded to measures of hassles, adaptiveness, and the criteria of subjective distress, psychiatric symptomatology and minor physical ailments. In all three regression analyses, hassles made a substantial positive contribution and adaptiveness a small negative contribution to adverse outcome. The interaction between hassles and adaptiveness was non-significant in all three cases. Alternative interpretations were identified to guide further research.  相似文献   
915.
916.
This focus section has presented Japanese research on a variety of socialization agents and contexts, including mothering, fathering, peers and multiple-caretakers in families and institutions. The reader is encouraged to compare the papers, discover the theoretical and applied implications of each study for child development in the reader's own culture, and to pursue collaborations with the outstanding young Japanese contributors. We conclude with brief comments on each of the five articles, discussing their limitations, most significant findings, theoretical importance, and implications for subsequent research.  相似文献   
917.
918.
Research based mainly on non-national samples reports a greater affinity for animal rights among women than men, and proposes a greater relational role orientation among women that emphasizes caring for others to explain this difference. Using a recent national sample comprised of 11% African American and 89% white American respondents, we find that a relational role orientation fails to account for women’s greater support of animal rights. It does provide minor help in distinguishing animal rights advocates from nonadvocates, but only among women and only on one of two measures of animal rights support. We conclude by proposing women’s structural locations as well as the interplay between these locations and women’s role socialization as alternate explanations for gender differences in affinity for animal rights.  相似文献   
919.
This article demonstrates that there is a role for behavior-analytic techniques in the area of farm animal welfare and provides examples of the kinds of work that can be done. Behavior-analytic procedures, specifically those used in the study of psychophysics, preference, and demand, can provide answers to three questions people concerned with the welfare of farm animals are likely to ask: What can the animals detect? What do they like and dislike? What will they work to attain or preserve? Such information certainly is necessary for making reasonable decisions about animal welfare, although it is not sufficient in and of itself.  相似文献   
920.
Relationship-centered counseling is a development in the client-centered tradition. It represents a humanistic integration that gives primacy to the humanizing and counseling relationship, conceives technical expertise as the instrumental extension of relationship, and affirms the necessity for an in-depth synthesis of both for effective counseling. Significant findings from contemporary process and outcome research are presented as supportively consistent with the relationship-centered integration, which has implications for research, practice, and training.  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