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   827篇
  免费   30篇
各国政治   35篇
工人农民   60篇
世界政治   103篇
外交国际关系   61篇
法律   369篇
中国政治   6篇
政治理论   216篇
综合类   7篇
  2023年   2篇
  2022年   6篇
  2021年   5篇
  2020年   37篇
  2019年   27篇
  2018年   33篇
  2017年   27篇
  2016年   30篇
  2015年   37篇
  2014年   24篇
  2013年   127篇
  2012年   19篇
  2011年   21篇
  2010年   31篇
  2009年   28篇
  2008年   25篇
  2007年   18篇
  2006年   24篇
  2005年   29篇
  2004年   26篇
  2003年   24篇
  2002年   15篇
  2001年   22篇
  2000年   30篇
  1999年   16篇
  1998年   18篇
  1997年   14篇
  1996年   9篇
  1995年   10篇
  1994年   9篇
  1993年   9篇
  1992年   8篇
  1991年   7篇
  1990年   8篇
  1989年   12篇
  1988年   12篇
  1987年   8篇
  1986年   5篇
  1985年   5篇
  1984年   8篇
  1983年   6篇
  1982年   4篇
  1981年   2篇
  1980年   3篇
  1979年   4篇
  1978年   2篇
  1977年   2篇
  1975年   2篇
  1974年   3篇
  1969年   2篇
排序方式: 共有857条查询结果,搜索用时 31 毫秒
61.
In a naturalistic study of age segregation during adolescence, 403 adolescents making up 153 separate groups were observed in three high schools and seven out-of-school settings. Age segregation was extensive, especially in school, among older adolescents in same-sex groups of friends. More mixed-age association was observed out of school among younger adolescents who were in mixed-sex groups containing relatives. Adolescents were most often observed with friends who were other adolescents, next with adults, and least frequently observed with children. Parents, particularly fathers, were rarely present. It was suggested that age segregation during adolescence is the result of a lack of contact with relatives.Received his Ph.D. from Michigan State University in 1974. Major research interest is parent-adolescent relations.Major research interests are adolescence and clinical psychology.  相似文献   
62.
This study examines the association of self-perceptions with sixth to eighth graders' exposure to mixed-sex and dating contexts. It contrasts two hypotheses: the stress hypothesis, which suggests that the transition to romantic relationships will be associated with declines in self-esteem, especially for girls, and the leisure hypothesis, which suggests that movement into a desired role in an emotionally positive social context will be associated with positive emotions and higher self-esteem. Results indicate that adolescents experience mixed-sex settings positively, and that comfort with the other sex (for girls) and more time spent with the other sex (for boys) are predictive of more positive self-perceptions. Activity diary data suggest that these differences are due to differences in the emotional climate of same- and mixed-sex settings, rather than to the activities adolescents engage in with same- and mixed-sex groups. Dating boys who are less interested in dating experience lower self-esteem. Results are discussed in light of the transitional nature of mixed-sex relationships in early adolescence and the preparatory role played by same-sex friendships.  相似文献   
63.
64.
In this article we examine how post-industrial Britain and Denmark undertake vocational training for low-skilled retail workers. Specifically, we evaluate whether leaders in training skilled industrial workers are also doing the best job with low-skilled service workers. While Danish retail is increasingly becoming a haven for low-skilled workers, British workers are gaining in skills levels with the transition to services even in the retail sector. While some suggest that social democratic countries have sacrificed the political interests of low-skilled workers in order to protect core manufacturing workers, we find no evidence of this. Rather, the high expectations of vocational training in Denmark have forged barriers to the easy admission of low-skilled service workers, while the British system provides more entry points for vocational training at different levels. The structures of coordination that had narrowed the gap between white-collar and blue-collar manufacturing workers during the industrial age are creating new cleavages in the post-industrial economy.  相似文献   
65.
Scholars of regions where multiple languages are spoken have much to gain by considering heritage language education, individual identity, and state power through these ethnographic and historical cases that focus on Japan and the Japanese diaspora. The articles in this two-part collection offer insights into the interrelationships of linguistic hierarchies and political economy, the navigation of ethnic and racial subjectivities, and the ways children and adolescents claim belonging to various communities through their linguistic practices. The articles interrogate not only heritage but remembrance and the ways individuals may produce identity through language in everyday interactions and institutional settings.  相似文献   
66.
No consensus yet exists on how to handle incidental findings (IFs) in human subjects research. Yet empirical studies document IFs in a wide range of research studies, where IFs are findings beyond the aims of the study that are of potential health or reproductive importance to the individual research participant. This paper reports recommendations of a two-year project group funded by NIH to study how to manage IFs in genetic and genomic research, as well as imaging research. We conclude that researchers have an obligation to address the possibility of discovering IFs in their protocol and communications with the IRB, and in their consent forms and communications with research participants. Researchers should establish a pathway for handling IFs and communicate that to the IRB and research participants. We recommend a pathway and categorize IFs into those that must be disclosed to research participants, those that may be disclosed, and those that should not be disclosed.  相似文献   
67.
68.
Statement of Purpose: A decline in state-sponsored terrorism has caused many terrorist organizations to resort to criminal activity as an alternative means of support. This study examines terrorists' involvement in a variety of crimes ranging from motor vehicle violations, immigration fraud, and manufacturing illegal firearms to counterfeiting, armed bank robbery, and smuggling weapons of mass destruction. Special attention is given to transnational organized crime. Crimes are analyzed through the routine activity perspective and social learning theory. These theories draw our attention to the opportunities to commit crime and the criminal skills necessary to turn opportunity into criminality. Through these lenses, the research appraises the “successes” and “failures” of terrorists' engagement in crime. Because “failures” can result from law enforcement efforts to (1) interrupt criminal skill development, and/or (2) remove criminal opportunities via technologies and transportation systems, the research represents a best practices approach to the study and control of terrorism. This project was supported by Grant No. 2003-DT-CX-0002 awarded by the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice. Points of view in this document are those of the author and do not necessarily represent the official position or policies of the U.S. Department of Justice.  相似文献   
69.
Critical Criminology - In the twenty-first century, the established methodological props for gang research have worn increasingly thin. Place-based definitions involving territorial groups confined...  相似文献   
70.
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