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   193000篇
  免费   8520篇
  国内免费   159篇
  2020年   2858篇
  2019年   3532篇
  2018年   3799篇
  2017年   4227篇
  2016年   4850篇
  2015年   4013篇
  2014年   4907篇
  2013年   23884篇
  2012年   5257篇
  2011年   4600篇
  2010年   4263篇
  2009年   5024篇
  2008年   4750篇
  2007年   4362篇
  2006年   4757篇
  2005年   4612篇
  2004年   4117篇
  2003年   3711篇
  2002年   3556篇
  2001年   4115篇
  2000年   3976篇
  1999年   3719篇
  1998年   2951篇
  1997年   2776篇
  1996年   2668篇
  1995年   2494篇
  1994年   2467篇
  1993年   2428篇
  1992年   3070篇
  1991年   2879篇
  1990年   2713篇
  1989年   2577篇
  1988年   2568篇
  1987年   2559篇
  1986年   2584篇
  1985年   2783篇
  1984年   2802篇
  1983年   2524篇
  1982年   2479篇
  1981年   2453篇
  1980年   2279篇
  1979年   2566篇
  1978年   2359篇
  1977年   2262篇
  1976年   2081篇
  1975年   2252篇
  1974年   2339篇
  1973年   2270篇
  1972年   1843篇
  1971年   1738篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
961.
Counselors are in ideal positions to help change attitudes toward viewing menopause as a time of positive change, rather than a time of psychological distress. Following definitions and a review of historical, sociological, psychological, and attitudinal factors that account for negative responses associated with menopause, recommendations for counselor interventions are proposed.  相似文献   
962.
A 6-day gender role workshop for adult men and women, using the phases of the gender role journey, is presented. The workshop's curriculum and process are described, including its assumptions, norms, and media. Movie clips, music, music videos, and academic content were used to promote participants' learning in both the cognitive and affective domains. Systematic follow-up evaluations of participants ( N =84) in three separate workshops are reported using Likert scaled questions. These evaluations assessed participants' personal learning, emotional reactions, and the workshop's overall impact over l-month and 1-and 2-year follow-up periods. Results indicate that participants were affected personally and professionally over the various time periods.  相似文献   
963.
There appears to be a strong relationship between mass media portrayals of violence and real-life violence itself. This article reviews the available literature on the effects of media treatment of sports violence; analyzes the theoretical explanations for this treatment; and makes proposals on how the problems of both sports violence and its media coverage may be remedied, with a particular focus on amateur hockey in Canada.  相似文献   
964.
This study examines the relationship between performance on a context-independent fault diagnosis task and two dimensions of cognitive style: field dependence/independence (D-I) and focusing/scanning (F-S). The effects on diagnosis performance of training and the ability of both dimensions of style jointly to predict fault-finding ability were considered. The results showed that field independents and focusers were superior fault diagnosticians. Training, in the form of verbal feedback messages, was uniformly effective for the D-I dimension although field independents maintained a superior level of performance, over field dependents. In general, for the F-S dimension, training had little effect on either the focusers or scanners. A combination of scores on the F-S and D-I dimensions significantly enhanced the proportion of the variance in testing efficiency that could be accounted for during fault-finding. Finally it is argued that the F-S and D-I dimensions should be recognized as measures of ability, not style. Future research should be directed at identifying between subject differences on fault diagnosis tasks with reference to theories of information processing.  相似文献   
965.
Relaxation therapy for tension headache in the elderly: a prospective study   总被引:1,自引:0,他引:1  
We evaluated the effects of an 8-week progressive muscle-relaxation therapy regimen on the headache activity of 10 elderly tension-headache subjects. Posttreatment assessment at 3 months revealed significant decreases in overall headache activity (50% or greater) in 7 subjects. Significant clinical or statistical prepost differences, or both, were also found for the number of headache-free days, peak headache activity, and medication index. This is the first prospective study of tension headache in an elderly population, and, unlike previous retrospective studies, it suggests that relaxation therapy may be an effective intervention in the treatment of such headaches.  相似文献   
966.
Although stress and anxiety have long been assumed to play an exacerbatory role in asthma, no study has systematically documented that daily exacerbations of asthma symptoms are related to stress and/or anxiety. In this study, 24 airways obstruction patients (12 asthmatics and 12 chronic obstructive pulmonary disease patients) were instructed to monitor the severity of daily respiratory symptoms. In addition, subjects recorded their daily anxiety level and the number and perceived impact of daily stressors. The results showed that although there were differences between high- and low-stress days for both groups, there were no differences between groups on symptom severity or between high- and low-anxiety days, as measured by the State-Trait Anxiety Inventory (STAI). Thus, although the number and impact of daily stressors were found to be directly associated with the severity of asthma symptoms, anxiety does not appear to have a direct role in the exacerbation of asthma. The findings failed to support the anxiety theory of asthma but provided an explanation for the poor results obtained in previous treatment studies which employed anxiety management with asthmatics.  相似文献   
967.
Two multidimensional mood-state inventories, the Profile of Mood States (POMS) and the Eight State Questionnaire (8SQ), were administered to 289 Australian college undergraduates. Intercorrelations for the combined 14 subscales were subjected to a higher-order factor analysis in order to elucidate the central clinical states within the mood-state sphere. Results suggested four major state dimensions pertaining to Neuroticism, Hostility/Anger, Vigor, and a combined Extroversion/Arousal-Fatigue entity. Both three- and five-factor solutions were taken out for comparative purposes. Furthermore, separate higher-order factorings of the POMS on normative samples of 350 male and 650 female psychiatric outpatients were conducted, corroborating three of the four central state dimensions, at least in the case of females. The implications of these findings for behavioral assessment are discussed.This study was supported by a Research Development Grant awarded to the author by the University of Melbourne.  相似文献   
968.
The belief is widely held that humor is related to recovery from, and perhaps an increased resistance to, coronary and other stress-related diseases. Such generalizations do not typically distinguish between benign and hostile humor. In the present research, the relationship between a measure of proneness to coronary heart disease (CHD) and appreciation of hostile and nonhostile humor is examined. In two studies, one with college students and one with patients suffering from CHD, the relationship between humor preferences and the coronary-prone (Type A) behavior pattern was examined. Each subject was given the Jenkins Activity Survey as a measure of the coronary-prone personality type, and aggressive and nonaggressive jokes to rate for funniness. Hostile humor was preferred to nonhostile humor by all groups, but among those suffering from CHD, those who could be classified as “Type B’s” preferred nonhostile humor. The results indicate that those less prone to CHD appreciate both hostile and nonhostile humor, while Type A’s seem to enjoy hostile humor only.  相似文献   
969.
A comparison study is an experiment whose primary purpose is to compare directly (regardless of experimental design) at least two different procedures for changing behavior or two or more components of such a procedure. This paper argues that, in spite of their popularity, such studies typically lead to inappropriate inferences with poor generality based on improper evidence gathered in support of the wrong question, thus wasting the limited experimental resources. The discussion considers problems concerning the functions of comparison studies, the nature of the comparisons that are attempted, the generality of their findings, and the limited role that they can play in technological research.  相似文献   
970.
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