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   14596篇
  免费   495篇
各国政治   865篇
工人农民   557篇
世界政治   1097篇
外交国际关系   696篇
法律   7999篇
中国共产党   3篇
中国政治   105篇
政治理论   3624篇
综合类   145篇
  2023年   83篇
  2021年   93篇
  2020年   205篇
  2019年   285篇
  2018年   361篇
  2017年   400篇
  2016年   397篇
  2015年   259篇
  2014年   312篇
  2013年   1957篇
  2012年   388篇
  2011年   387篇
  2010年   352篇
  2009年   381篇
  2008年   406篇
  2007年   430篇
  2006年   435篇
  2005年   443篇
  2004年   442篇
  2003年   404篇
  2002年   426篇
  2001年   385篇
  2000年   379篇
  1999年   287篇
  1998年   204篇
  1997年   209篇
  1996年   194篇
  1995年   187篇
  1994年   185篇
  1993年   182篇
  1992年   266篇
  1991年   286篇
  1990年   238篇
  1989年   245篇
  1988年   224篇
  1987年   242篇
  1986年   242篇
  1985年   222篇
  1984年   206篇
  1983年   225篇
  1982年   143篇
  1981年   144篇
  1980年   114篇
  1979年   142篇
  1978年   107篇
  1977年   106篇
  1976年   89篇
  1974年   77篇
  1973年   84篇
  1972年   76篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
851.
Marc E. Smyrl 《管理》1997,10(3):287-309
A central goal of the 1980s reforms of the European Community's regional development policy was to contribute to an increase in the discretionary authority of sub–national decision–makers in the Community's member states. This article assesses the degree to which this goal was attained through comparative studies of selected French and Italian regions. It concludes that only in those regions in which timely policy entrepreneurship on the part of regional–level elected leaders coincided with the pre–existence of a territorial policy Community for economic development did the transfer of resources from the Community contribute to regional empowerment.  相似文献   
852.
This study used a cluster analytic approach to identify self-esteem trajectories among adolescents over a four-year period from sixth to tenth grades (N = 1,160). Four self-esteem trajectories were identified that replicated previous research: (1) consistently high, (2) moderate and rising, (3) steadily decreasing, and (4) consistently low. Female adolescents were more likely to be in the steadily decreasing self-esteem group while male adolescents were more likely to be in the moderate and rising group. African American and white youth were equally distributed across groups. Using repeated measures analysis, we found that youth with consistently high and moderate and rising self-esteem reported developmentally healthier outcomes in Grade 10 than youth in the other two clusters. Outcomes included susceptibility to peer pressure, school grades, and alcohol use. Implications of these results for studying self-esteem and developmental change more generally are discussed.  相似文献   
853.
The aims of this study are to identify the most powerful predictors of school dropout and to determine how stable they are over time. Two generations of White French-speaking boys and girls from 12 to 16 years old (n = 791 in 1974, n = 791 in 1985) completed a self-administered questionnaire on their psychosocial adjustment at least one year before leaving school. As expected, the analyses showed that school, family, behavioral, social, and personality variables could all predict dropping out of school in the two samples. Furthermore, these predictors were quite stable over time. However, statistical improvement measures in logistic regression analyses indicated that school experience variables (i.e., grade retention, school achievement, school commitment) were the best screening variables for potential dropouts. The contribution of other psychosocial variables, even though significant, did not improve very much the capacity to identify who will drop out of school. The discussion highlights the implications of the findings for secondary prevention and screening practices.  相似文献   
854.
Self-esteem and psychological symptoms were assessed in a sample of 1082 Chinese adolescents who responded to the Chinese versions of Coopersmith's Self-Esteem Inventory and the General Health Questionnaire. Three dimensions of self-esteem, interpreted as Family Acceptance/Rejection, Self-Depreciation, and Peer Affirmation/Disaffirmation, were found to relate substantially to general psychological symptoms and particularly to specific symptoms of anxiety, social dysfunction, and depression as reported by these adolescents. The implications of the relative importance of appraisal from internal feedback as sources of self-esteem as opposed to the external feedback from family and peers were discussed in relation to self-esteem enhancement in adolescents.Received his Ph.D. from the University of Western Ontario in 1978. His research interests include self-esteem, stress, coping, health and psychopathology.Received her Ph.D. from the University of South Dakota in 1983. Her research interests include stress, coping and health, and geriatric psychology.  相似文献   
855.
He is a lecturer at the University of Dayton in Dayton, Ohio. His research centers on domestic political and economic influences on congressional decisions to terminate weapons production.  相似文献   
856.
857.
858.
859.
This article reports on a highly unusual experiment in racial and economic integration, the Gautreaux program. This program helps black families who are either current or former residents of public housing move into subsidized housing in Chicago and its suburbs. Surveying a random sample of 332 participants, we find that suburban movers are significantly more likely to have a job post-move than city movers, even among those who had never had a job before moving. Multivariate analysis shows that these differences are significant even after controlling for respondents' previous work history, human capital, and personal characteristics. These results suggest that low-income urban blacks experience significant gains in employment by moving to middle-class suburbs. Thus, housing assistance may be an effective alternative to traditional welfare-to-work programs.  相似文献   
860.
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