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   559篇
  免费   24篇
管理学   45篇
民族学   2篇
人口学   72篇
丛书文集   6篇
理论方法论   67篇
综合类   8篇
社会学   352篇
统计学   31篇
  2023年   6篇
  2022年   2篇
  2021年   6篇
  2020年   11篇
  2019年   18篇
  2018年   19篇
  2017年   32篇
  2016年   19篇
  2015年   19篇
  2014年   20篇
  2013年   94篇
  2012年   23篇
  2011年   22篇
  2010年   9篇
  2009年   14篇
  2008年   21篇
  2007年   23篇
  2006年   20篇
  2005年   15篇
  2004年   13篇
  2003年   12篇
  2002年   14篇
  2001年   8篇
  2000年   16篇
  1999年   12篇
  1998年   11篇
  1997年   11篇
  1996年   11篇
  1995年   3篇
  1994年   5篇
  1993年   7篇
  1992年   12篇
  1991年   2篇
  1990年   5篇
  1989年   8篇
  1988年   8篇
  1987年   4篇
  1986年   4篇
  1985年   4篇
  1984年   1篇
  1983年   2篇
  1982年   1篇
  1981年   2篇
  1980年   5篇
  1978年   2篇
  1976年   2篇
  1975年   1篇
  1974年   1篇
  1973年   2篇
  1969年   1篇
排序方式: 共有583条查询结果,搜索用时 296 毫秒
1.
Although there has recently been a rise in parenting support programmes within the UK, only a minority of these programmes have benefited from evaluation of either outcomes or processes. This paper describes the development of the PALS programme (Parents Altogether Lending Support), reporting both on its effectiveness in improving parents' interactions with their children and on the lessons that were learned about embedding such a programme within the local community. Over the 18‐month period of the programme, a total of 17 courses were run, with 75 parents and carers (primarily mothers) participating in the programme overall. Evaluation results indicated that participants enjoyed the course and found it beneficial, particularly in terms of altering their own actions in specific ways that were able to promote better behaviour on the part of their children. Participants also valued the opportunity to share their experiences with other parents. The key lesson identified in regard to the development of parenting programmes concerned the need for the community to feel a sense of ownership for the initiative. Copyright © 2002 John Wiley & Sons, Ltd.  相似文献   
2.
Comparison of Four New General Classes of Search Designs   总被引:1,自引:0,他引:1  
A factor screening experiment identifies a few important factors from a large list of factors that potentially influence the response. If a list consists of m factors each at three levels, a design is a subset of all possible 3 m runs. This paper considers the problem of finding designs with small numbers of runs, using the search linear model introduced in Srivastava (1975). The paper presents four new general classes of these 'search designs', each with 2 m −1 runs, which permit, at most, two important factors out of m factors to be searched for and identified. The paper compares the designs for 4 ≤ m ≤ 10, using arithmetic and geometric means of the determinants, traces and maximum characteristic roots of particular matrices. Two of the designs are found to be superior in all six criteria studied. The four designs are identical for m = 3 and this design is an optimal design in the class of all search designs under the six criteria. The four designs are also identical for m = 4 under some row and column permutations.  相似文献   
3.
4.
5.
Abstract This paper examines rural/urban differences and trends in mental health during the farm crisis of the 1980s in a large panel sample from a midwestern state. A community research perspective, which attributes differences to life styles, culture, and community context, is contrasted with an economic stress perspective, which focuses on individual differences in economic circumstances as determinants of rural-urban differences in mental health. Survey samples from 1981, 1986, and 1989 are used to examine differences among seven categories of community type. Multiple regression analysis of the trend and panel data provide support for both the individual economic distress and community context models.  相似文献   
6.
The Hohokam of southern Arizona are noted for greater duration of settlement than other major agricultural traditions in the archaeological record of the southwestern United States, including the Anasazi and Mogollon. The 40,000 square mile area inhabited by the Hohokam is marked by low elevation desert basins, but encompasses a range of topographic and climatic variability that shaped opportunities for prehistoric farming technologies. Irrigation from rivers was frequently associated with the longterm persistence of individual sites, while floodwater farming along ephemeral drainages was more often correlated with continuous occupation of hydrologically favored zones. Renewal of fields by waterborne nutrients and efficient practices in the use of natural resources countered the limited mobility options afforded by the Hohokam environment.In spite of a restrictive agricultural setting and an essentially static suite of productive technologies over many centuries, relationships among population, settlement, and landuse were redefined in evolving social and economic configurations. An example from the Tucson Basin illustrates differentiated patterns of settlement and agriculture arising in conjunction with increased levels of population and territorial integration in the late prehistoric period. Community organization among interrelated settlements incorporated a diversity of topographic zones and agricultural technologies in this high-risk context for prehistoric cultivators.  相似文献   
7.
The frenzy of health care reform activity now led by the Clinton Administration's American Health Security Act of 1993 might end in the worst of all possible outcomes: a new government entitlement program financed by business and a global budget. Unbridled entitlement could drive utilization of benefits to the maximum and, with a budget cap, guarantee rationing. So far, the administration has talked about expanding access and controlling costs--not about the health care product. Given the threat that change poses for vested interests, time will undoubtedly lapse before final implementation of a new system. Unless physicians involved in health management seize the opportunity during this window of opportunity to help shape the future of health care delivery, the likelihood of preserving the U.S. health care delivery system as we know it will be dim indeed.  相似文献   
8.
This paper presents a qualitative analysis of front‐line practices regarding emergency removals in Finnish and Irish child protection. It examines how the responses to children's immediate danger are framed by legislation and how front‐line practitioners assess the child's situation and make emergency placement decisions. The data consist of interviews with 16 Irish and 33 Finnish social workers. These child welfare protection systems respond differently to a task that appears to be similar. The Irish team‐based practice rests on the social workers' shared assessment of the child's needs, and the formal decision is made by the courts (or police officers at night‐time); and the Finnish practice involves only one single social worker who makes both the assessment and the removal decision. The Irish system is tightly time regulated, whereas the Finnish system provides a more flexible time frame. Both approaches put a lot of stress on social workers' practice, which also includes creative workarounds (e.g., “planned emergency removals” in Finland). Future research will need to explore these features from the point of view of a child's right to protection.  相似文献   
9.
With the passage of the Patient Protection and Affordable Care Act (ACA) of 2010, the health insurance literacy of Americans became a critical issue. In response, a consumer education program was created and tested by university researchers and educators associated with Cooperative Extension. This article draws extensively on the emerging literature on health insurance literacy and on data from participants in the Smart Choice Health Insurance? program. The intent of the study was to understand socio-demographic and environmental variables that predict initial health insurance literacy and gains in health insurance literacy. A standardized instrument measuring health insurance literacy was used to collect the data. Multivariate analysis showed higher income consumers demonstrated greater initial health insurance literacy scores compared to middle income consumers, whereas younger, male and lower educated consumers reported lower initial health insurance literacy. After participating in the Smart Choice Health Insurance? program, consumers who made greater gains in their health insurance literacy tended to be female, higher income, and consumers residing in states that showed supportiveness of the ACA. The findings highlight the importance of considering sociodemographic characteristics in program design and delivery, as well as how contextual issues, such as the political environment, might impact the delivery of educational efforts. Findings from the analyses help inform ways to adapt and tailor educational opportunities that focus on health insurance literacy for a range of consumers.  相似文献   
10.
This essay examines the pattern of ebb and flow in the environmental movement in the United States. Although the movement has experienced periods of expansion and contraction over the last century, environmentalism has sustained significant mobilization with the evolution of its organizational forms and tactics. Mass demonstrations and other forms of public protest defined the emergence of the modern environmental movement in the 1960s and early 1970s, and grassroots action remains important, particularly in response to the urgency of climate change. However, the movement has also relied increasingly on institutionalized organizational forms and conventional tactics such as litigation and lobbying. Some critics argue that decentralized networks and disruptive tactics are essential for inspiring a new era of impassioned environmental activism, while others contend that the complexity of current environmental problems requires more formalized structures and focused legislative advocacy. We conclude that the diversity of organizational forms and activities in the environmental movement has maintained the movement over many decades, and that this diversity can aid in effecting comprehensive change.  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