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   906篇
  免费   54篇
  2023年   9篇
  2021年   8篇
  2020年   15篇
  2019年   17篇
  2018年   20篇
  2017年   25篇
  2016年   35篇
  2015年   21篇
  2014年   21篇
  2013年   75篇
  2012年   36篇
  2011年   31篇
  2010年   22篇
  2009年   26篇
  2008年   35篇
  2007年   35篇
  2006年   21篇
  2005年   28篇
  2004年   31篇
  2003年   29篇
  2002年   29篇
  2001年   31篇
  2000年   23篇
  1999年   24篇
  1998年   18篇
  1997年   10篇
  1995年   13篇
  1994年   16篇
  1993年   12篇
  1992年   10篇
  1991年   11篇
  1990年   12篇
  1989年   8篇
  1988年   8篇
  1987年   10篇
  1986年   12篇
  1985年   13篇
  1984年   11篇
  1983年   9篇
  1982年   10篇
  1980年   6篇
  1978年   8篇
  1977年   7篇
  1976年   6篇
  1974年   9篇
  1972年   6篇
  1971年   9篇
  1968年   11篇
  1967年   6篇
  1966年   13篇
排序方式: 共有960条查询结果,搜索用时 15 毫秒
171.
The WATCH (Wellness for African Americans Through Churches) Project was a randomized trial comparing the effectiveness of 2 strategies to promote colorectal cancer preventive behaviors among 587 African American members of 12 rural North Carolina churches. Using a 2 X 2 factorial research design, the authors compared a tailored print and video (TPV) intervention, consisting of 4 individually tailored newsletters and targeted videotapes, with a lay health advisor (LHA) intervention. Results showed that the TPV intervention significantly improved (p <.05) fruit and vegetable consumption (0.6 servings) and recreational physical activity (2.5 metabolic task equivalents per hour) and, among those 50 and older (n = 287), achieved a 15% increase in fecal occult blood testing screening (p =.08). The LHA intervention did not prove effective, possibly because of suboptimal reach and diffusion.  相似文献   
172.
173.
174.
175.
176.
177.
Recent historical trends and current directions in the study of children's gender and relationships are reviewed using Maccoby and Jacklin's (1974) The Psychology of Sex Differences as a reference point. Since the publication of Maccoby and Jacklin's review, researchers have questioned the extent and the magnitude of gender differences in social behaviour as well as the degree to which parents play a primary role in gender development. More attention is now paid to the impact of gender‐segregated peer groups and other social relationships (e.g., friendships, romantic relationships) as well as cognitive‐motivational and biological processes. Furthermore, the role of the larger social‐structural context is addressed in studies of sexism and gender bias during childhood and adolescence. Recommendations for future research are offered.  相似文献   
178.
179.
Forty-six parent-referred problem 3-year-olds and 22 comparison children were assessed with parent report and observational measures; 54 were followed up at age 4, and 53 were followed again at age 6. Lower social class and greater family stress were associated with higher symptom ratings at initial referral and age 6 follow-up. Negative and directive maternal behavior and negative and noncompliant child behavior observed in the lab at age 3 were associated with higher maternal ratings of child aggression and hyperactivity; these observed behaviors continued to be highly predictive of maternal ratings of persistent problems at ages 4 and 6. A laboratory index of inattention and overactivity at intake also predicted hyperactivity ratings at age 6. These findings suggest that externalizing problems identified in early childhood are likely to persist when they are associated with more family disruption and a negative mother-child relationship.This research was supported by Grant No. MH 32735 from the National Institute of Mental Health to Dr. Campbell. We are indebted to the children and families who have participated so enthusiastically in this study over the past 5 years. The help of Deborah Baldwin, Patricia Cluss, and Diane Gluck is gratefully acknowledged. Many additional people participated in various phases of this study as independent observers and data coders. Their contributions are also recognized.  相似文献   
180.
Consistent with Tversky and Kahneman's (1973, 1974) availability heuristic hypothesis, the current study found a negative correlation between recall latency for past events and the perceived future probability of similar events. Furthermore, when the relative accessibility of memories of positive and negative events was experimentally manipulated using the Velten mood-induction procedure, the perceived future probabilities of similar events also changed in a manner consistent with the availability heuristic account. Reductions in recall latencies resulting from the mood manipulations were, as predicted, related to increases in perceived probability, and vice versa. Partial correlations indicated that this association between the observed patterns of changes in recall latencies and probability judgments could not be accounted for by the existence of independent associations between each of these effects and the magnitude of mood change.  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