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   4015篇
  免费   128篇
  2021年   37篇
  2020年   65篇
  2019年   60篇
  2018年   119篇
  2017年   104篇
  2016年   98篇
  2015年   66篇
  2014年   68篇
  2013年   313篇
  2012年   138篇
  2011年   119篇
  2010年   76篇
  2009年   92篇
  2008年   99篇
  2007年   106篇
  2006年   87篇
  2005年   85篇
  2004年   76篇
  2003年   59篇
  2002年   56篇
  2001年   127篇
  2000年   91篇
  1999年   78篇
  1996年   40篇
  1993年   43篇
  1992年   60篇
  1991年   68篇
  1990年   59篇
  1989年   56篇
  1988年   62篇
  1987年   58篇
  1986年   51篇
  1985年   59篇
  1984年   58篇
  1983年   46篇
  1982年   53篇
  1981年   41篇
  1979年   57篇
  1978年   58篇
  1977年   50篇
  1976年   45篇
  1975年   65篇
  1974年   60篇
  1973年   56篇
  1972年   50篇
  1971年   52篇
  1969年   37篇
  1968年   49篇
  1967年   60篇
  1966年   43篇
排序方式: 共有4143条查询结果,搜索用时 15 毫秒
221.
222.
223.
This study assessed relations between exposure to trauma and post-traumatic stress (PTS) symptoms, and whether perceived social support from family and friends and gender moderated these associations. Syrian refugee youth (N = 418, 55.0% female) attending public schools in Jordan participated. Boys reported more age-adjusted PTS symptoms than girls. Analyses revealed that family support and gender moderated the association of trauma on PTS symptoms. For males, the benefits of family support were most evident under conditions of high traumatic stress exposure, while for females, benefits of family support were evident when no loss or injury to family members had been reported. Support from friends was not helpful for either gender. School- or family-based interventions designed to treat PTS symptoms need to consider the different needs of boys and girls, particularly within the Syrian Muslim cultural context.  相似文献   
224.
Over several decades, the consideration of future consequences (CFC) construct has been used to explain and predict health behaviors. However, the reported associations between CFC and health behaviors are relatively weak, leading to the low explanatory power of the models. Recent research suggests that CFC can be a domain‐specific construct. In this study, we explored the psychometric properties of the Norwegian CFC‐general and CFC‐health questionnaires in terms of factor structure and discriminant and convergent validity and tested the association between the general and domain‐specific CFC and exercise and eating behaviors. In a randomized survey experiment, 1,001 university students were assigned to either a CFC‐general or a CFC‐health questionnaire. In the tested models, two dimensions of CFC, consideration of immediate consequences (CFC‐I) and consideration of future consequences (CFC‐F), were independent variables. The exercise and eating behaviors, measured both as self‐evaluated behaviors and self‐reported frequency measures, were dependent variables. The results showed that in both CFC‐general and CFC‐health, CFC‐I and CFC‐F are distinct dimensions that differentially explain variance in health behaviors. A domain‐specific CFC‐health explained a significantly higher amount of variance in self‐reported eating and exercising behaviors than a general CFC. Self‐evaluated health behaviors were better explained by CFC than self‐reported behavioral frequencies. Practical implications of the findings and avenues for future research are discussed.  相似文献   
225.
Research on Child and Adolescent Psychopathology - The purpose of this study was to understand the trajectories of nonsuicidal self-injury (NSSI) and suicide plans (SP) in the 90 days...  相似文献   
226.
227.

Elements of military life can create challenges for all family members, including military-connected adolescents, and can have detrimental consequences for their adjustment. Although research with samples of military-connected adolescents has examined the influences of military stressors for adolescent adjustment (e.g., depressive symptoms, anxiety), less research has identified possible mechanisms responsible for these effects, particularly the role of specific familial factors. Drawing from social ecological theory and attachment theory, we examined the associations between military stressors (e.g., parental rank, combat deployments, permanent change of station moves) and self-reported adolescent adjustment (e.g., depressive symptoms, self-efficacy) along with examining adolescents’ perceptions of parent-adolescent relationship quality with both the active duty and civilian parent as a linking mechanism. Using a path analysis, data from 265 Army families were examined to identify the direct and indirect associations between military stressors and adolescent adjustment through parent-adolescent relationship quality. Most military stressors were not significantly related to relationship quality of either parent or indicators of adolescent adjustment. However, parent-adolescent relationship quality with each parent (active duty and civilian parent) was uniquely related to adolescents’ adjustment. Discussion is provided regarding how military stressors and familial factors are conceptualized within the context of military families and implications for future research, family therapy, and policies are suggested.

  相似文献   
228.
Clinical Child and Family Psychology Review - As a result of the devastating impact of the opioid epidemic, increased numbers of children are being raised by their grandparents in what are known as...  相似文献   
229.
230.
Data from experimental animals suggest that 5-hydroxytryptamine (5HT) may have an inhibitory effect on aggression, while clinical studies have found a correlation between pathological aggression and low brain 5HT. To investigate this relationship further we used amino acid mixtures designed to raise or lower the levels of the 5HT precursor, tryptophan. Normal male subjects were given tryptophan-depleted, balanced, or tryptophan-supplemented ammo acid mixtures and tested for aggression 5 hours later. The balanced amino acid mixture served as a control for the tryptophan depletion and supplementation. Testing for aggression was done using the Buss paradigm in which subjects deliver electric shocks to a (nonexistent) partner in response to stimulus tones. Duration and intensity of shock delivered were the measures of aggression, while responsivity to the stimulus tones was the measure of perceptual sensitivity. Neither tryptophan supplementation nor tryptophan depletion had any effect on these measures of aggression or perceptual sensitivity. We conclude that raising or lowering the synthesis of brain 5HT through alterations in tryptophan availability does not influence aggression in normal males as measured by the Buss task.  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