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   928篇
  免费   58篇
管理学   71篇
民族学   7篇
人口学   87篇
丛书文集   9篇
理论方法论   122篇
综合类   15篇
社会学   612篇
统计学   63篇
  2023年   18篇
  2022年   3篇
  2021年   13篇
  2020年   33篇
  2019年   46篇
  2018年   44篇
  2017年   58篇
  2016年   45篇
  2015年   33篇
  2014年   42篇
  2013年   174篇
  2012年   51篇
  2011年   53篇
  2010年   22篇
  2009年   22篇
  2008年   33篇
  2007年   31篇
  2006年   21篇
  2005年   31篇
  2004年   16篇
  2003年   16篇
  2002年   24篇
  2001年   21篇
  2000年   9篇
  1999年   8篇
  1998年   10篇
  1997年   7篇
  1996年   10篇
  1995年   4篇
  1994年   6篇
  1993年   6篇
  1992年   4篇
  1991年   3篇
  1990年   6篇
  1989年   9篇
  1988年   5篇
  1986年   4篇
  1985年   2篇
  1984年   6篇
  1983年   5篇
  1982年   8篇
  1981年   3篇
  1980年   2篇
  1979年   5篇
  1975年   2篇
  1974年   1篇
  1973年   2篇
  1970年   2篇
  1967年   1篇
  1966年   3篇
排序方式: 共有986条查询结果,搜索用时 687 毫秒
251.
This study examines how a wide variety of diverse friendship group attributes affect changes in indicators of school performance, social behavior, and mental health between early seventh and late eighth grade. Nine hundred and one middle school students named their friends. Independent data from these friends were used to construct friendship groups that were then characterized in terms of their mean level on measures of academic performance, social behavior, psychological closeness, and structure. Two novel conclusions emerge from the study. First, nearly all the friendship effects are domain‐specific. That is, peer attributes in the school domain affect individual school performance outcomes, while peer attributes in the social behavior domain affect individual social behavior. Second, friends' grade point average (GPA) is the most powerful single friendship attribute. It has the largest total effect, the most consistent effects within its own school performance domain, and the sole reliable cross‐domain impact—on an index of negative social behavior that taps into acting out and drug use. The within‐domain peer effects mostly replicate past findings, though the methodological controls used here are more extensive than in past studies and so provide a stronger causal warrant.  相似文献   
252.
253.
The authors used the 2003 to 2012 American Time Use Survey to examine marital status variation in mothers' leisure time. They found that never‐married mothers have more total leisure but less high‐quality leisure when compared with married mothers. Never‐married mothers' leisure is concentrated in passive and socially isolated activities that offer fewer social and health benefits. Black single mothers have the highest amount of socially isolated leisure, particularly watching television alone. Results suggest that differences in the context and type of leisure are salient dimensions of the divergent and stratified life conditions of married, divorced, and single mothers.  相似文献   
254.
Natural data on the Australian Human Rights Commission’s website outlining the complaint cases generated from Disability Discrimination Act, 1992 (DDA) were used to examine the social construction of disability employment discrimination. Using a social model and human rights citizenship lens, some 987 complaint cases were analysed to assess the prevalence of disability discrimination in employment, and its relationship to the types of disability, gender, entity undertaking the actions and organisational context. Of all complaint cases across the Australian Human Rights Commission’s operations, by far the largest proportion involves disability discrimination. Within the disability discrimination complaint cases, employment makes up the greatest proportion of these cases. In examining the patterns of discrimination seven major themes emerged involving: distinctive patterns across disability type; access to premises; human resource mismanagement; selection of new employees; integration of assistive technology; perception of cost of disability inclusions; and inflexible organisational workplace practices. The discussion examines the underlying reasons for the emergent themes where employers misunderstood key legal concepts that underpin the DDA including: unjustifiable hardship; inherent requirements; reasonable adjustment; direct; and indirect discrimination. The paper concludes by discussing the implications of the findings as a way of understanding the social construction of disability discrimination in employment to signal ways to better develop inclusive organisational practice.  相似文献   
255.
Space weather describes the way in which the Sun, and conditions in space more generally, impact human activity and technology both in space and on the ground. It is now well understood that space weather represents a significant threat to infrastructure resilience, and is a source of risk that is wide‐ranging in its impact and the pathways by which this impact may occur. Although space weather is growing rapidly as a field, work rigorously assessing the overall economic cost of space weather appears to be in its infancy. Here, we provide an initial literature review to gather and assess the quality of any published assessments of space weather impacts and socioeconomic studies. Generally speaking, there is a good volume of scientific peer‐reviewed literature detailing the likelihood and statistics of different types of space weather phenomena. These phenomena all typically exhibit “power‐law” behavior in their severity. The literature on documented impacts is not as extensive, with many case studies, but few statistical studies. The literature on the economic impacts of space weather is rather sparse and not as well developed when compared to the other sections, most probably due to the somewhat limited data that are available from end‐users. The major risk is attached to power distribution systems and there is disagreement as to the severity of the technological footprint. This strongly controls the economic impact. Consequently, urgent work is required to better quantify the risk of future space weather events.  相似文献   
256.
257.
Building on the theoretical foundations of conservation of resources theory, this research provides insights into the relationship of abusive supervision with work–family conflict (work-to-family and family-to-work). Further, it is the first attempt to incorporate the emotional labor to burnout link as the mediating process between abuse and conflict. Using a sample of 328 individuals working fulltime we examined both the direct relationship of abuse with conflict as well as the indirect relationship through surface acting (emotional labor) and burnout. Our results suggest that abusive supervision influences conflict and the relationship is partially mediated through the surface acting to burnout path.  相似文献   
258.
259.
260.
Exact Sampling from a Continuous State Space   总被引:3,自引:0,他引:3  
Propp & Wilson (1996) described a protocol, called coupling from the past, for exact sampling from a target distribution using a coupled Markov chain Monte Carlo algorithm. In this paper we extend coupling from the past to various MCMC samplers on a continuous state space; rather than following the monotone sampling device of Propp & Wilson, our approach uses methods related to gamma-coupling and rejection sampling to simulate the chain, and direct accounting of sample paths.  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