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   196449篇
  免费   8512篇
  国内免费   156篇
  205117篇
  2020年   2792篇
  2019年   3453篇
  2018年   3886篇
  2017年   4260篇
  2016年   4853篇
  2015年   3944篇
  2014年   4808篇
  2013年   23477篇
  2012年   5478篇
  2011年   4899篇
  2010年   4282篇
  2009年   4985篇
  2008年   4864篇
  2007年   4453篇
  2006年   4828篇
  2005年   4683篇
  2004年   4238篇
  2003年   3791篇
  2002年   3617篇
  2001年   4465篇
  2000年   4191篇
  1999年   3826篇
  1998年   2943篇
  1997年   2729篇
  1996年   2651篇
  1995年   2481篇
  1994年   2446篇
  1993年   2402篇
  1992年   3154篇
  1991年   2952篇
  1990年   2819篇
  1989年   2728篇
  1988年   2688篇
  1987年   2648篇
  1986年   2651篇
  1985年   2915篇
  1984年   2819篇
  1983年   2562篇
  1982年   2467篇
  1981年   2426篇
  1980年   2271篇
  1979年   2582篇
  1978年   2370篇
  1977年   2295篇
  1976年   2127篇
  1975年   2272篇
  1974年   2399篇
  1973年   2341篇
  1972年   1882篇
  1971年   1792篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
901.
The influence of a videotape, shown in a hospital admitting room, on patients' state anxiety and concerns about hospitalization was assessed in a preliminary study. For both state anxiety and specific concerns regarding hospitalization the pretest scores on each variable accounted for the preponderance of the variance in the posttest scores. In both instances, the intervention and the interaction of the intervention with the pretest scores accounted for less than 1% of variance in the outcome. While finding small effects to be significant for such a small sample (N = 93) is unlikely, the sample size was adequate to detect medium to large effects. More important was the fact that 73.33% of the videotape intervention group indicated that they did not watch the video, which leads us to the conclusion that this intervention as tested is not worthwhile.  相似文献   
902.
The validity of the Threat Index was examined in a study of 42 students and 15 HIV+ clients. When completing the Threat Index, subjects rate the self and death on 30 bipolar adjectives. A count is made of the number of times the same adjective poles are used to describe the self and death. Uses of the same poles are called matches, while uses of different poles are called splits. The Threat Index is based on the assumption that splits indicate threat. Analysis showed that neither splits nor matches were usually threatening and that neither was necessary or sufficient for the experience of threat. These results did not support the validity of the Threat Index.  相似文献   
903.
Most studies of work-related Type A behavior have been conducted with samples of white men. Using a mail questionnaire to assess Type A behavior, job satisfaction, and daily stress and tension among 250 black men and 233 black women public accountants, the prevalence of Type A behavior and its relationship with satisfaction and stress were highly consistent with those reported for other samples of white men and women.  相似文献   
904.
This study compared two different interpretation styles (tentative and absolute), two levels of subjects' reactance (high and low), and gender on the counselor's social influence, willingness to see the counselor, willingness to help, ability to help, and subjects' anger. No significant main effects or interaction were found for the counselor's social influence, but men in contrast to women perceived the counselor as more willing to help and indicated that they were more willing to see the portrayed counselor. Highly reactant subjects were more willing to see the counselor when absolute interpretations were used; they also thought the counselor was more willing to help when absolute interpretations were used, whereas low reactant subjects thought the counselor was more willing to help when tentative interpretations were used. Mixed results were found for subjects' anger.  相似文献   
905.
To learn more about people's beliefs about how to reduce anger, 416 college students were asked what they thought would be the effects of various responses to feeling angry. In general, they thought that behaving aggressively would make them feel worse and that distracting themselves and doing something nice for another would make them feel better. However, males, younger subjects, and those who had behaved more aggressively in the past were more likely to feel that behaving aggressively would elevate their mood. These observations are consistent with theories emphasizing the importance of cognitive variables in the experiences of anger and aggression.  相似文献   
906.
This study examined the effect of demographic variables and intellectual factors on the Short-term Memory Test. Subjects were 20 patients neurologically diagnosed as brain-damaged. There was only one significant correlation between Verbal IQ and the Short-term Memory Test. Demographic variables of age, education, and sex did not correlate significantly with scores of the Short-term Memory Test.  相似文献   
907.
106 high school students from a small rural high school completed the Children of Alcoholics Scale, Zaks and Walters' Aggression Scale, Beck Depression Scale, and a modified version of the Beck Scale of Suicide Ideation. Analyses of variance showed boys were not experiencing suicide ideation any more than girls; suicide ideation was similar across the four grades, but on aggression alcohol-dependent boys scored significantly higher than girls, and in Grade 9 boys' scores were significantly higher than those in Grade 10. The sophomores' scores on alcohol dependency were significantly lower than the freshmen's scores. Boys and children from divorced homes had higher scores on aggression than girls and children from nondivorced homes. Children from homes in which alcohol was used had higher depression scores than children from nonalcoholic homes. Freshman girls and sophomore boys had higher depression scores than senior boys and girls. A Pearson r of 0.28 between scores on alcohol dependency and suicide ideation was significant, but research is needed to understand better the associations of thoughts of suicide and drug-alcohol dependency among these high school students so strategies for prevention and intervention can be focused.  相似文献   
908.
National Socialism destroyed the integrity and substance of Psychoanalysis in Germany for a long time to come. The author was among those responsible for the reintroduction of psychoanalytic knowledge and in the organization of psychoanalytic institutions. In this article she tells about the difficulties in reestablishing psychoanalysis in the new Federal Republic, where it met considerable resistance and obstacles. In particular the author gives credit to the significant contribution of German and Austrian emigrants as well as that of psychoanalysis in Anglosaxon countries, especially the London "Schools" of Anna Freud and Melanie Klein.  相似文献   
909.
As the analyst makes the correct interpretations of resistance in the opening phase of an analysis, the patient begins to feel understood, often for the first time. This feeling allays anxiety and depressive affects, and the patient comes to experience the analyst as a soother. These initial exchanges may lay the foundation for a positive transference which acts as a buffer against turbulent transferences. In some patients this positive transference develops rapidly, often with prompt symptom remission. In others--children as well as adults--the analyst must persistently interpret defensive regressions before a stable, positive transference can emerge. In either case, in order to avoid the analysis of conflict, some patients become resistant to the analysis of the wish to be soothed. Many of these patients have had a childhood filled with traumatic parental stimulation or rejection. Two clinical accounts illustrate these contentions.  相似文献   
910.
This study was designed to investigate the comparability of the original MMPI (1950) and the MMPI-2 (1989) with a psychiatric patient population. 34 male and 3 female patients, shortly after admission to one of two acute psychiatry units, completed the old and revised versions of the MMPI. Paired t tests indicated but scant differences for raw scores, while many more differences were found among T scores for validity, clinical, and supplemental scales. Analyses, however, showed all scales on the two forms to be highly correlated. Analysis of the high-point and two-point codes across the two administrations also showed relative stability, although the proportion of Scales 2 (Depression) and 8 (Schizophrenia) decreased, while those for Scales 6 (Paranoia) and 7 (Psychasthenia) increased markedly in the MMPI-2 protocols. Examination of each version's discriminability among mood- and thought-disordered subsamples suggested that the MMPI provides slightly better delineation between diagnostic classes. Discriminant function analyses showed that there were essentially no differences between the two forms in the accurate classification of clinical and nonclinical groups. The findings reported here provide support for the MMPI-2; despite modification, the newer form retains the advantages of the original MMPI. Differences found here may be unique to psychiatric patients and their patterns of MMPI/MMPI-2 equivalence and may not generalize to other special populations.  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