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   55590篇
  免费   1951篇
  国内免费   19篇
  2018年   829篇
  2017年   823篇
  2016年   900篇
  2015年   624篇
  2014年   774篇
  2013年   4882篇
  2012年   1409篇
  2011年   1496篇
  2010年   947篇
  2009年   898篇
  2008年   1345篇
  2007年   1254篇
  2006年   1160篇
  2005年   1001篇
  2004年   983篇
  2003年   980篇
  2002年   991篇
  2001年   1760篇
  2000年   1704篇
  1999年   1308篇
  1998年   603篇
  1996年   652篇
  1995年   612篇
  1994年   617篇
  1993年   604篇
  1992年   1267篇
  1991年   1140篇
  1990年   1162篇
  1989年   1057篇
  1988年   1041篇
  1987年   1025篇
  1986年   1030篇
  1985年   1034篇
  1984年   873篇
  1983年   746篇
  1982年   590篇
  1981年   595篇
  1979年   892篇
  1978年   673篇
  1976年   576篇
  1975年   827篇
  1974年   833篇
  1973年   881篇
  1972年   815篇
  1971年   730篇
  1970年   658篇
  1969年   704篇
  1968年   832篇
  1967年   721篇
  1966年   718篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
941.
There are two phases in the process of negotiating for peace with antagonistic national groups. The leader (or leaders) of one such group will not negotiate with his opposite number until political foundations to support such negotiation are laid down, and obstacles to peace identified and dealt with; at least some measure of success is anticipated by both sides. Accordingly, the first phase requires the building of bridges between those representing opposing nations. The activities in this preliminary phase are sometimes called Track II diplomacy; they differ from those of official or Track I diplomacy. I suggest two kinds of concepts that may be useful in Track II diplomacy, and present them in the hope of initiating further discussion, and exploration of metapsychological underpinnings of each concept. As Mitscherlich (1971) suggested, the psychology of international politics may be better understood if psychoanalysts are willing to engage in interdisciplinary work with others engaged in such endeavors.  相似文献   
942.
L G Streetman 《Adolescence》1987,22(86):459-464
The self-esteem of 93 unmarried females between the ages of fourteen and nineteen was measured upon entry into several state-sponsored training programs. Some significant differences were discovered concerning the impact of early motherhood on these individuals. The symbolic importance of motherhood, as a passage into adult status, and the intervening effects of normative group anchorage may mediate between individuals' cognitive ability and their level of self-esteem.  相似文献   
943.
Histories of sexual abuse in adolescent male runaways   总被引:3,自引:0,他引:3  
In this study, data on sexual victimization in the histories of 89 Canadian male runaways as well as information on physical victimization, family structure, family financial stability, delinquent and criminal activities, and reasons for running away from home were evaluated. The population of male runaways evidenced dramatically higher rates of sexual and physical abuse than did randomly sampled populations. Sexually abused and nonsexually abused male runaways shared characteristics noted in the literature as common to runaways: problem families, high rates of delinquency, depression, tension, low self-image, and history of physical abuse. Sexually abused male runaways differed from nonsexually abused runaways in their reactions to their runaway event, with sexually abused male runaways responding in highly avoidant patterns coupled with extreme withdrawal from all types of interpersonal relationships. These differences are explained as consistent with known sequelae of sexual abuse, and the implications for treatment by runaway shelters and for further research are suggested.  相似文献   
944.
945.
946.
947.
Functional parallelism in spoken word-recognition   总被引:24,自引:0,他引:24  
W D Marslen-Wilson 《Cognition》1987,25(1-2):71-102
  相似文献   
948.
Productivity and constraints in the acquisition of the passive   总被引:3,自引:0,他引:3  
S Pinker  D S Lebeaux  L A Frost 《Cognition》1987,26(3):195-267
  相似文献   
949.
950.
Two experiments investigated the effect of encoding conditions and type of test (recall vs. recognition) on the phenomenon of hypermnesia (improved performance across repeated tests). Subjects in Experiment 1 studied a list of words using either imaginal or semantic elaboration strategies and then received three successive tests. Different groups of subjects received either free recall, four-alternative forced-choice recognition, or yes/no recognition tests. Reliable hypermnesia was found only in the recall conditions, with the recognition conditions showing either no change in performance levels across tests (forced-choice tests) or significant forgetting (yes/no tests). In Experiment 2, subjects studied a list of words, and encoding was manipulated using three orienting tasks. Once again, hypermnesia was found with the recall tests but not with the forced choice recognition tests. Finding hypermnesia in recall but not in recognition indicates that retrieval processes in recall play a major role in producing hypermnesia. Also, the finding that the magnitude of the recall hypermnesias increased with an increase in total cumulative recall levels across study conditions suggests that cumulative recall levels are an important factor in determining the presence or absence of recall hypermnesia.  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