全文获取类型
收费全文 | 24692篇 |
免费 | 657篇 |
国内免费 | 1篇 |
专业分类
管理学 | 3117篇 |
民族学 | 142篇 |
人才学 | 6篇 |
人口学 | 2277篇 |
丛书文集 | 124篇 |
教育普及 | 2篇 |
理论方法论 | 2202篇 |
现状及发展 | 1篇 |
综合类 | 301篇 |
社会学 | 11899篇 |
统计学 | 5279篇 |
出版年
2023年 | 131篇 |
2022年 | 96篇 |
2021年 | 137篇 |
2020年 | 377篇 |
2019年 | 601篇 |
2018年 | 617篇 |
2017年 | 870篇 |
2016年 | 620篇 |
2015年 | 459篇 |
2014年 | 604篇 |
2013年 | 4299篇 |
2012年 | 831篇 |
2011年 | 768篇 |
2010年 | 596篇 |
2009年 | 589篇 |
2008年 | 662篇 |
2007年 | 642篇 |
2006年 | 617篇 |
2005年 | 567篇 |
2004年 | 540篇 |
2003年 | 498篇 |
2002年 | 530篇 |
2001年 | 628篇 |
2000年 | 551篇 |
1999年 | 539篇 |
1998年 | 426篇 |
1997年 | 387篇 |
1996年 | 373篇 |
1995年 | 357篇 |
1994年 | 376篇 |
1993年 | 334篇 |
1992年 | 398篇 |
1991年 | 395篇 |
1990年 | 354篇 |
1989年 | 341篇 |
1988年 | 324篇 |
1987年 | 302篇 |
1986年 | 295篇 |
1985年 | 318篇 |
1984年 | 309篇 |
1983年 | 287篇 |
1982年 | 238篇 |
1981年 | 198篇 |
1980年 | 215篇 |
1979年 | 224篇 |
1978年 | 186篇 |
1977年 | 183篇 |
1976年 | 158篇 |
1975年 | 158篇 |
1974年 | 131篇 |
排序方式: 共有10000条查询结果,搜索用时 46 毫秒
991.
We present findings from a nonexperimental evaluation of an employment program in which both partners in young, low-income,
primarily African-American couples simultaneously participated. Mothers participating in the couples program had larger immediate
gains in employment and earnings and decreases in TANF receipt following their exit from the program relative to mothers who
received employment assistance as individuals. Fathers showed similar although weaker results. These immediate benefits appeared
to be driven by higher rates of program completion among couples’ participants. Couples in which both partners completed the
program experienced the largest quarterly earnings gains, and couples with greater earnings’ gains were more likely to still
be together one year after the program ended. Mothers’ earnings gains eroded in the two years following program completion
and many reported new pregnancies and problems with child care. We suggest directions for future programs and encourage future
studies to consider the range of mechanisms associated with a couples focus, including potential motivational benefits and
unintended consequences.
相似文献
Carolyn J. Heinrich (Corresponding author)Email: |
992.
Lee A. Smithey 《Sociology Compass》2009,3(4):658-671
Tactical choices and their execution are closely related to the construction of collective identities in social movements. Studying collective identity has helped scholars understand why people participate in collective action, but the array of tactics that constitute action has not been fully explored. An emerging interest in culture and strategy that situates social movement actors in a field of contention with opponents, allies, and bystanding publics raises questions about the tactics that are used and the construction of collective identity, which is formed in interaction with others. Strategies and tactics reflect collective identities but also provide opportunities for reaffirming or challenging them. Innovative methods can create tension as activists work to resolve what they do with who they feel they are. Conflict studies, nonviolent action studies, and sociological research using concepts such as framing, discourse, protest events, and tactical repertoires offer tools with which to bridge tactics and collective identity. 相似文献
993.
Laurie A. Rhodebeck 《Journal of homosexuality》2015,62(6):701-734
Drawing from the theory of policy voting, this study examines the impact of opinions about gay rights on voting for presidential candidates. Qualitative analysis of the major party platforms and candidate campaign rhetoric from the six presidential elections held between 1988 and 2008 indicates that Democratic and Republican presidential candidates began openly expressing opposing positions on gay rights issues in 1992. Quantitative analysis of public opinion shows that, starting in 1992 and continuing through 2008, gay rights issues became more salient to the public, and opinions about gay rights began to exert a significant effect on vote choice. The study concludes with a discussion of the partisan forces that shaped the electoral significance of gay rights issues during the period from 1988 to 2008 and speculation about the role of gay rights issues in shaping future partisan electoral strategy. 相似文献
994.
Lesbian, gay, and bisexual (LGB) students experience ongoing bullying, harassment, and lack of safety in school. Specialized instructional support personnel (SISPs), such as school counselors, school social workers, and school psychologists, are in a unique position to advocate for LGB students and to implement an ally development model. The purpose of this article is to describe the current climate for LGB students, to discuss the current barriers facing SISPs in advocating for change, and to provide a model of ally development for use at each level of the K–12 system. 相似文献
995.
996.
997.
Catalina Amuedo-Dorantes Susan L. Averett Cynthia A. Bansak 《Journal of population economics》2016,29(3):757-779
Immigration policy is at the forefront of US policy discussions, and the use of welfare benefits by immigrants has been hotly debated. In 1996, Congress enacted welfare reform legislation, which imposed strict restrictions on welfare eligibility for noncitizens. However, a number of states restored access to welfare benefits to immigrants that had been cut out in the federal welfare reform law. Using data from the Current Population Survey, we examine whether immigrant women adjusted their childbearing in response to changes in the generosity of welfare benefits at the state-level. We find that noncitizen women reduced their fertility in response to cutbacks imposed by the legislation. Our findings, which prove robust to a number of identification and robustness checks, underscore how immigrants respond to state-level policies and provide insight into the potential impacts of comprehensive immigration reform, particularly the components related to the path to citizenship and access to public benefits. 相似文献
998.
Raphael J. Nawrotzki Allison M. Schlak Tracy A. Kugler 《Population and environment》2016,38(2):164-184
Studies investigating the connection between environmental factors and migration are difficult to execute because they require the integration of microdata and spatial information. In this article, we introduce the novel, publically available data extraction system Terra Populus (TerraPop), which was designed to facilitate population–environment studies. We showcase the use of TerraPop by exploring variations in the climate–migration association in Burkina Faso and Senegal based on differences in the local food security context. Food security was approximated using anthropometric indicators of child stunting and wasting derived from Demographic and Health Surveys and linked to the TerraPop extract of climate and migration information. We find that an increase in heat waves was associated with a decrease in international migration from Burkina Faso, while excessive precipitation increased international moves from Senegal. Significant interactions reveal that the adverse effects of heat waves and droughts are strongly amplified in highly food insecure Senegalese departments. 相似文献
999.
O. Flores Baquero A. Jiménez Fdez. de Palencia A. Pérez Foguet 《Social indicators research》2016,127(2):741-759
Measuring access to water in the Sustainable Development Goals era involves taking into account the human rights framework. Therefore, its content should be considered to conceptualize the level of service through adequate indicators and to follow-up inequities reduction at global, national and local level. This research develops and tests a methodology to measure intra-community disparities based on human right to water normative criteria through a stratified sampling, splitting households served by community based organizations and those self-provided. This approach implies considering much reduced populations, thus special care needs to be taken with sample sizes and uncertainty of estimators. The proposed methodology is practical to locate and accurately characterize minority sectors within rural communities and allows moving beyond central-tendency estimators. It implies higher costs for field data collection than traditional approaches, but this can be assumed given the relevance of the approach from a human rights perspective, which calls for adequate tools for equity-oriented policy making at local level. The research point out how results might be used to shape decision-making processes. 相似文献
1000.
Susan L. Brown Wendy D. Manning Krista K. Payne 《Population research and policy review》2016,35(1):1-21
Research on family structure and child well-being rarely includes children in same-sex parent families, a notable omission since 28 % of female–female couple households contain children. Using the 2010–2013 pooled current population survey (CPS), we examined children’s economic well-being by family structure. These data were ideal for this study because they included a sizeable number of children in same-sex cohabiting mother families and the CPS measured both official and supplemental poverty, incorporating the cohabiting partner. Using the official poverty measure, children in same-sex cohabiting mother families were more likely to be poor than their counterparts in either different-sex cohabiting or married parent families. Using the supplemental poverty measure, children in same-sex mother families were no more likely to be poor than children in all other types of different-sex two-parent families. 相似文献