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   25400篇
  免费   939篇
  国内免费   9篇
  2018年   338篇
  2017年   364篇
  2016年   380篇
  2015年   265篇
  2014年   348篇
  2013年   1835篇
  2012年   597篇
  2011年   647篇
  2010年   443篇
  2009年   400篇
  2008年   632篇
  2007年   570篇
  2006年   553篇
  2005年   477篇
  2004年   480篇
  2003年   486篇
  2002年   487篇
  2001年   642篇
  2000年   645篇
  1999年   513篇
  1998年   262篇
  1997年   283篇
  1996年   277篇
  1995年   268篇
  1992年   498篇
  1991年   468篇
  1990年   449篇
  1989年   428篇
  1988年   447篇
  1987年   418篇
  1986年   459篇
  1985年   432篇
  1984年   383篇
  1983年   341篇
  1981年   283篇
  1979年   415篇
  1978年   340篇
  1977年   302篇
  1976年   305篇
  1975年   350篇
  1974年   439篇
  1973年   473篇
  1972年   347篇
  1971年   373篇
  1970年   339篇
  1969年   371篇
  1968年   443篇
  1967年   409篇
  1966年   424篇
  1958年   258篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
201.
Aging and shifts of visual spatial attention.   总被引:2,自引:0,他引:2  
Three experiments examined adult age differences in the efficiency of endogenous (voluntary) and exogenous (involuntary) attention shifts. Younger and older subjects performed a spatial cuing task in which abruptly onset peripheral cues (Experiment 1) or central, symbolic cues (Experiments 2 and 3) were presented before a target stimulus at intervals ranging from 50 to 250 ms. With peripheral cues, the magnitude of cuing effects was at least as great for older as for younger adults and followed a similar time course. Similar results were obtained with symbolic cues, although cuing effects for older adults varied with cue difficulty. The results suggest that cue encoding may decline with advancing age but that the efficiency of the shift process is preserved.  相似文献   
202.
203.
The Australian study investigated condom-specific assertiveness and condom use as a means of prevention infection from sexually transmitted diseases. 211 men participated including 83 homosexual men (aged 19-62 years) and 128 heterosexual men (aged 17-49) who completed a questionnaire that comprised demographic details such as age, monogamy, and sexual activity as well as attitudinal and assertiveness measures. General assertiveness was measured by the Rathus Assertiveness Schedule (RAS) which had been widely used across a wide range of social situations. Assertiveness relating specifically to situations involving condoms was measured by the Condom Assertiveness Scale (CAS). Intention to use condoms was positively related to favorable attitudes, which were related to condom-specific assertiveness for both groups. For the heterosexual men only, general social assertiveness was negatively related to attitudes toward condoms. For both groups, the condom-specific measure of assertiveness was positively correlated with attitudes toward condoms. Condom-specific assertiveness was positively related to general social assertiveness as measured by the Rathus Assertiveness Schedule for the homosexual, but not for the heterosexual men. The negative relationship between general assertiveness and attitude to condoms among the heterosexual men implies that the risk reducing behavior of condom use did not seem to accord with the perceptions of masculinity and social assertiveness among heterosexual men. Thus, female partners of such heterosexual men exhibiting negative attitudes toward condom use combined with assertiveness would have to overcome resistance to insist on the use of condoms. Recently some advertising campaigns have been directed at women. The promotion of condom use among heterosexual men has to deal with the perceptions of condom use as unmasculine behavior.  相似文献   
204.
The purpose of this pilot study was to assess the effectiveness of a brief test user orientation program on increasing service station managers' familiarity with a few key employment testing issues, including their familiarity with theModel Guidelines for Preemployment Integrity Testing Programs. The obtained results reveal that even a brief orientation program was able to significantly increase the managers' stated degree of familiarity with testing issues.  相似文献   
205.
The present research examined whether line-ups based on target (‘suspect’) face similarity are biased or suggestive. Four experiments are described in which subjects constructed photographic line-ups by selecting foils similar in appearance to a target. Later, another group of subjects who had not seen the faces before (mock witnesses) were asked to pick out the targets from the line-ups. All four experiments showed that mock witnesses selected the target significantly more often than expected by chance, thereby demonstrating suggestiveness. Three alternative line-up construction methods were also evaluated. In these methods, foil selection was based not only on target similarity but also on similarity with one or more of the other line-up faces. Results showed that alternative line-up targets were not selected significantly more often than chance, suggesting that bias was reduced. An overall analysis showed that the alternative line-ups were significantly less suggestive than target-based line-ups. The results indicate that foil selection procedures that incorporate foil-to-foil similarity produce fairer line-ups than those exclusively based on target similarity.  相似文献   
206.
Many political families are ultra cautious about seeking therapy because of the stigma it carries in the political arena. Various cases on record show where an aspiring political candidate's chances to run for high elected office were destroyed because of publicity over her or his involvement in therapy. Nonetheless, members of families in politics do seek treatment and bring with them their idiosyncratic circumstances. This article attempts to provide an interior view of the politician's family life as seen in the therapist's sanctuary and a consideration of how media coverage may impact politician and family. Clinical data and information from interviews with six acquaintances whose main occupation is politics are presented. It is hoped that the data will enable therapists to understand and treat political families more effectively.Florence Kaslow, PhD, is director of Florida Couples and Family Institute in West Palm Beach. She is a visiting professor of medical psychology in psychiatry at Duke University Medical Center in Durham, NC, and a visiting professor of psychology at Florida Institute of Technology, Melbourne, FL.  相似文献   
207.
208.
The present study aimed to determine whether there was a systematic relationship between Rogers'(1957) core conditions of empathy, acceptance and genuineness, and counsellors' use of specific behaviours or skills which have been isolated for training. Video recordings of 12 counsellors' performance in 'naturalistic' counselling interactions were analysed. Counsellor, client and judges' ratings of the core conditions were obtained. Skill assessment included molar ratings of eight skill areas and molecular measures of 29 behaviours. The results indicated that there were few significant relationships. It is concluded that there is a discrepancy between specification of the skills or behaviours which are thought to communicate the core conditions and those which have been empirically demonstrated to do so. Implications for counsellor training and proposals for future research are discussed.  相似文献   
209.
210.
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