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   556篇
  免费   25篇
管理学   42篇
民族学   3篇
人口学   44篇
丛书文集   5篇
理论方法论   98篇
社会学   366篇
统计学   23篇
  2023年   9篇
  2021年   2篇
  2020年   2篇
  2019年   2篇
  2018年   12篇
  2017年   13篇
  2016年   13篇
  2015年   12篇
  2014年   22篇
  2013年   193篇
  2012年   13篇
  2011年   7篇
  2010年   10篇
  2009年   11篇
  2008年   11篇
  2007年   13篇
  2006年   12篇
  2005年   13篇
  2004年   11篇
  2003年   7篇
  2002年   6篇
  2001年   12篇
  2000年   6篇
  1999年   5篇
  1998年   9篇
  1997年   7篇
  1996年   5篇
  1995年   17篇
  1994年   18篇
  1993年   10篇
  1992年   17篇
  1991年   22篇
  1990年   9篇
  1989年   5篇
  1988年   5篇
  1987年   3篇
  1986年   5篇
  1985年   2篇
  1984年   2篇
  1983年   3篇
  1982年   6篇
  1980年   3篇
  1979年   2篇
  1978年   4篇
  1977年   2篇
  1975年   3篇
  1971年   1篇
  1968年   1篇
  1966年   1篇
  1965年   1篇
排序方式: 共有581条查询结果,搜索用时 578 毫秒
71.
72.
Objectives: We examined the social, relational and network determinants of condom use and HIV testing among men who have sex with men (MSM) in Beirut. Methods: Two-hundred thirteen men were recruited via respondent driven sampling and administered a survey. Results: Sixty-four percent reported unprotected anal intercourse (UAI), including 23% who had UAI with unknown HIV status partners (UAIU); 62% of participants had tested for HIV. In multivariate analysis, being in a relationship was associated with UAI and HIV testing; lower condom self-efficacy was associated with UAIU and HIV testing; gay discrimination was associated with UAIU; MSM disclosure was associated with UAI, UAIU and HIV testing; and network centralization was associated with HIV testing. Conclusions: Multi-level social factors influence sexual health in MSM.  相似文献   
73.
74.
75.
The Family Group Conference (FGC) is grounded in a rights-based framework, whereby children and their families have the right and responsibility to be primary decision-makers when child protection issues arise, and the statutory agency has the responsibility to convene the entitled members of the family network to lead the decision-making. A distinct core component of FGC—private family time (PFT)—allows families to discuss the information and formulate their responses and plans privately during conferencing. This paper describes how a large child welfare agency in the United States adapted PFT in two ways: (1) including a parent advocate (PA) and (2) abbreviating the amount of time allowed for this discussion. Given the lack of empirical research on the PFT component, this qualitative exploratory study sought to understand the functions and perceived impacts of PA-supported PFT during initial child protective services (CPS) conferences at which decisions of child removal or placement were being contemplated. PFT served multiple beneficial functions and impacted families in several positive ways: families gained greater awareness of safety concerns, felt empowered and confident in the preferred safety and service plan, became increasingly engaged and involved in the case decision-making process and ultimately felt less apprehensive.  相似文献   
76.
This review of international literature assesses the impacts that the relationship breakdown of parents has on children and factors that can provide support should this occur. The parental separation process causes significant albeit short‐term distress for most children, with a minority reporting longer‐term outcomes such as socio‐economic disadvantage, behavioural problems, poor educational achievement, and physical and emotional health problems. Factors increasing the likelihood of sustained disadvantage include: poverty; poor parent–child relationships; continuing parental conflict, multiple transitions in family formation; and poor maternal mental health. Supporting the factors that can improve child outcomes, exploring opportune ways to strengthen couple and family relationships, and integrating the views of children (for example, in court‐based dispute resolution) are the leading implications for practice and policy.  相似文献   
77.
The prevalence of interval censored data is increasing in medical studies due to the growing use of biomarkers to define a disease progression endpoint. Interval censoring results from periodic monitoring of the progression status. For example, disease progression is established in the interval between the clinic visit where progression is recorded and the prior clinic visit where there was no evidence of disease progression. A methodology is proposed for estimation and inference on the regression coefficients in the Cox proportional hazards model with interval censored data. The methodology is based on estimating equations and uses an inverse probability weight to select event time pairs where the ordering is unambiguous. Simulations are performed to examine the finite sample properties of the estimate and a colon cancer data set is used to demonstrate its performance relative to the conventional partial likelihood estimate that ignores the interval censoring.  相似文献   
78.
We design experiments to jointly elicit risk and time preferences for the adult Danish population. Since subjects are generally risk averse, we find that joint elicitation provides estimates of discount rates that are significantly lower than those found in previous studies and more in line with what would be considered as a priori reasonable rates. The statistical specification relies on a theoretical framework that involves a latent trade‐off between long‐run optimization and short‐run temptation. Estimation of this specification is undertaken using structural, maximum likelihood methods. Our main results based on exponential discounting are robust to alternative specifications such as hyperbolic discounting. These results have direct implications for attempts to elicit time preferences, as well as debates over the appropriate domain of the utility function when characterizing risk aversion and time consistency.  相似文献   
79.
80.
Abstract

Objective: This article examines students’ perceptions of individual and institutional responsibility for sexual health so that institutions can better provide for the needs of their students to increase academic success and healthy relationship outcomes. Participants: Students from 2- and 4-year colleges in 1 state (N = 78). Methods: From May through November 2010, the authors used go-along interviews to examine students’ perceptions of resources for sexual health on their campuses. Results: Participants believed that it is the college's responsibility to provide resources and the responsibility of students to access resources. Participants at 2-year schools wanted referrals to resources, whereas participants at 4-year schools expected resources to be available and emphasized the importance of a supportive community. Conclusions: Students at 2- and 4-year colleges have different expectations of their institutions; by making resources and referrals for sexual health available, colleges can better serve their students, which will result in improved health outcomes.  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