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   594篇
  免费   28篇
  国内免费   1篇
管理学   79篇
民族学   4篇
人口学   26篇
丛书文集   4篇
理论方法论   81篇
综合类   5篇
社会学   387篇
统计学   37篇
  2023年   4篇
  2022年   3篇
  2021年   3篇
  2020年   8篇
  2019年   11篇
  2018年   14篇
  2017年   18篇
  2016年   18篇
  2015年   13篇
  2014年   4篇
  2013年   96篇
  2012年   17篇
  2011年   13篇
  2010年   14篇
  2009年   12篇
  2008年   16篇
  2007年   26篇
  2006年   16篇
  2005年   14篇
  2004年   16篇
  2003年   19篇
  2002年   16篇
  2001年   18篇
  2000年   11篇
  1999年   10篇
  1998年   16篇
  1997年   11篇
  1996年   14篇
  1995年   10篇
  1994年   11篇
  1993年   12篇
  1992年   15篇
  1991年   9篇
  1990年   8篇
  1989年   9篇
  1988年   9篇
  1986年   5篇
  1985年   7篇
  1984年   11篇
  1983年   7篇
  1982年   7篇
  1981年   4篇
  1980年   9篇
  1979年   10篇
  1978年   3篇
  1977年   5篇
  1976年   3篇
  1975年   3篇
  1971年   3篇
  1970年   3篇
排序方式: 共有623条查询结果,搜索用时 921 毫秒
1.
2.
3.
4.
Summary Based on 14 case studies of highly effective therapies and the reasons they succeeded less frequently than they could, we propose a variety of steps to improve the health care system of the U.S.A. Whatever proposal emerges from current national debates until innovations are shown to be safe and effective, they should not be supported; when slightly better technologies are much more expensive than other good ones we need to consider appropriate choices carefully; simplified billing and bookkeping would reduce our costs; when a technology is rapidly introduced cautionnary measures may be needed; tracking immunization and repairing their omissions requires a new system; educational programs such as seen effective in hypertension should be applied in other areas such as vaccination; in organ transplantation the nation should consider “presumed consent”; our payment system sometimes creates perverse incentives and therefore needs review; and the preferences of the public in allocation of health resources need to be discovered once the public is informed about the issues. Research supported by Andrew W. Mellon Foundation.  相似文献   
5.
Using cluster analysis, 789 predominately Latino and African American high school youth were classified into varying academic at‐risk profiles using self‐reported levels of academic confidence, motivation to attend school, perceived family support, connections with teachers and peers, and exposure to violence. Six clusters emerged, 5 of which were identified as “at‐risk.” The clusters were examined in relation to academic stress, health status, grades, and school retention. Exposure to violence was one distinguishing feature of youth identified as most vulnerable, vulnerable, and resilient; however, youth identified as resilient recorded better academic outcomes.  相似文献   
6.
Sex differences in expressiveness are well documented, but the reasons for and correlates of these important differences are not well studied. A comprehensive set of emotion-relevant personality measures was administered to 40 female and 39 male undergraduate participants, who were also videotaped in three situations: engaging in natural social interaction, describing a past emotional experience, and posing various emotions. Videotapes were judged by sets of naive observers as to emotion communicated and overall impression. Expressive females, who appeared friendly and dominant in social interaction, were found to have a hostile/aggressive personality (but this was not true of males). Expressive females also tended to look angry/disgusted when describing happy and sad experiences. The findings suggest that nonverbally skilled, charismatic women (but not men) may often possess a dominant/aggressive but self-controlled personality, in a new twist on the theory that sex differences in expressiveness result in part from the oppression of women in society.This research was supported in part by an intramural research grant from University of California, Riverside.  相似文献   
7.
Mitigating disaster losses through insurance   总被引:3,自引:2,他引:1  
Losses from natural disasters have increased in recent years due to growth of population in hazard-prone areas and inadequate enforcement of building codes. This article first examines why homeowners have not voluntarily adopted cost-effective protective measures and have limited interest in purchasing insurance. It then proposes a disaster-management program which utilizes insurance coupled with well-enforced building codes to reduce future damage. Banks and financial institutions play a key role in this program by requiring inspections of homes as a condition for a mortgage. New forms of reinsurance coverage against catastrophic losses from natural disasters are necessary to protect insurers against potential insolvency from the next mega-disaster.  相似文献   
8.
Between 1987 and 1990, the Robert Wood Johnson Foundation funded six service credit banking demonstration programs among the elderly in which participants delivered services in return for credits, entitling them to later service. This evaluation of the demonstrations found that these six sites successfully attracted elders for the delivery of household support services to a relatively old, frail population with potentially limited social networks. Evidence on the significance of the "credit" in attracting volunteers was mixed, but the programs have attracted new volunteers, and have not substituted for other volunteer activities. Program development has entailed considerable staff investment in volunteer support; programs are better understood as community membership organizations than as mechanical exchanges.  相似文献   
9.
This paper attempts to capture the process of exclusion in a Quaker, rural farming community in the rain forest mountains of Costa Rica. The outsider is defined as a member of a close community, whose voice is not part of the communal dialogue. The silenced voice is investigated through the lives of four members — an authoritarian founding father in a community of the fraternal, an entrepreneur and his wife among the uncommercial, and an inarticulate man among the persuasive.  相似文献   
10.
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