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   613篇
  免费   32篇
各国政治   19篇
工人农民   83篇
世界政治   23篇
外交国际关系   31篇
法律   357篇
中国共产党   1篇
中国政治   11篇
政治理论   116篇
综合类   4篇
  2023年   5篇
  2022年   6篇
  2021年   6篇
  2020年   26篇
  2019年   19篇
  2018年   26篇
  2017年   25篇
  2016年   38篇
  2015年   21篇
  2014年   23篇
  2013年   74篇
  2012年   26篇
  2011年   28篇
  2010年   24篇
  2009年   35篇
  2008年   36篇
  2007年   30篇
  2006年   26篇
  2005年   26篇
  2004年   27篇
  2003年   26篇
  2002年   20篇
  2001年   7篇
  2000年   4篇
  1999年   7篇
  1998年   9篇
  1997年   4篇
  1996年   5篇
  1995年   1篇
  1994年   4篇
  1993年   4篇
  1992年   2篇
  1991年   5篇
  1990年   1篇
  1989年   2篇
  1988年   1篇
  1987年   4篇
  1986年   1篇
  1985年   2篇
  1984年   2篇
  1983年   1篇
  1982年   1篇
  1980年   2篇
  1978年   1篇
  1976年   1篇
  1968年   1篇
排序方式: 共有645条查询结果,搜索用时 15 毫秒
21.
22.
Current estimates predict that more than 5% of men and 8% women will be stalked at some point in their lifetime, and up to 6% of both men and women will be stalked during their time at college. While variables related to sexual assault have been extensively examined, factors that contribute to stalking and influences specific to university students remain a point of concern for administration and those attending the institution. Using a proportioned stratified sampling technique, this study obtained cross-sectional survey data collected from 873 students at a university in the upper Midwest. Utilizing a routine activity theory theoretical perspective, hierarchical and binary logistic regression are employed to investigate the prevalence of stalking, as well as the influence of individual and campus guardianship variables on the stalking victimization of college students, and an experiential comparison of female and male students. Findings reveal that among the total female student sample, 43% had been stalked at some point in their lifetime, with 13% stalked during their time at the university. Of the male students, 34% had been stalked, with 18% stalked while at the university. Sexual history, year in school, and perceived vulnerability were positive predictors of stalking.  相似文献   
23.
Although research has documented the majority of homelessness experienced by individuals and families in the US to be transitional rather than chronic, the mechanisms by which some families successfully escape homelessness while other do not remains relatively unclear. To provide more information to this area of inquiry, this study analyzed the transitional nature of homelessness for a sample of families with school-aged children who were homeless under the McKinney-Vento definition. By conducting a survey with over 1000 homeless families with children enrolled in two public school systems in Central Florida, we find that over a quarter of families exit homelessness in less than six months. We compare these families to those that remained homeless to examine the potential importance of demographic differences and other potential barriers to securing housing. Many of the commonly assumed barriers were not significant predictors of continued homelessness; the most salient difference between the groups was income underscoring the importance of employment opportunities for families to allow them to exit homelessness.  相似文献   
24.
As a time of notably increased stress and a marked rise in depressive symptoms, adolescence is a key period in which to examine how stress is related to mental health outcomes. Many studies examine stress as a unitary construct; however, research suggests that how adolescents respond to stress within different domains may differentially predict depression. The current study used an 8-week weekly diary design to assess how adolescents’ cognitive appraisals, rumination, and co-rumination in response to dependent, independent, social, and nonsocial stressors differentially predicted depressive symptoms. Participants were 111 high school students (72 % female) ages 14–19 years (mean age 16.4). Results indicated that rumination and co-rumination about dependent and social events, rather than independent or nonsocial events, prospectively predicted depressive symptoms. Negative cognitive appraisals prospectively predicted depressive symptoms regardless of domain. This study provides support for the hypothesis that adolescents’ responses to stress in different domains differentially predict depressive symptoms.  相似文献   
25.
26.
Between 1944 and 2002, the United States sought to create a competitive and commercially driven international civil aviation regime. It tried to peel away politically inspired regulations, which fragmented the marketplace, and deliver efficiencies and consumer benefits. In contrast with the American liberal tradition—albeit with limitations—the industry in Europe was over-regulated and largely based on subsidised state-owned carriers with international market quotas. Thus for many years Europe and the U.S. followed different paths; but political and economic dynamics conspired together in the 1980s and early 1990s to produce remarkable change in the European Community and, by 1997, there were the makings of a competitive and lightly regulated single market, which brought it close to U.S. practice. Since 2002, the United States has been less liberal in its airline policies; the EU has been more liberal. It would be an irony indeed if the great regime liberaliser since 1944 were now to become a force of regulatory conservatism that denied consummation to the vision of a transatlantic open aviation area that could be a magnet to draw in the rest of the world into a truly global commercial airline market.  相似文献   
27.
Few communities welcome federally subsidized rental housing, with one of the most commonly voiced fears being reductions in property values. Yet there is little empirical evidence that subsidized housing depresses neighborhood property values. This paper estimates and compares the neighborhood impacts of a broad range of federally subsidized rental housing programs, using rich data for New York City and a difference‐in‐difference specification of a hedonic regression model. We find that federally subsidized developments have not typically led to reductions in property values and have, in fact, led to increases in some cases. Impacts are highly sensitive to scale, though patterns vary across programs. © 2007 by the Association for Public Policy Analysis and Management  相似文献   
28.
29.
30.
Dickinson A 《Time》2002,159(15):F5-F6
  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