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   13725篇
  免费   414篇
  国内免费   15篇
管理学   1701篇
民族学   81篇
人才学   3篇
人口学   1188篇
丛书文集   146篇
理论方法论   1301篇
综合类   700篇
社会学   7327篇
统计学   1707篇
  2023年   70篇
  2021年   112篇
  2020年   218篇
  2019年   261篇
  2018年   339篇
  2017年   496篇
  2016年   341篇
  2015年   272篇
  2014年   328篇
  2013年   2149篇
  2012年   502篇
  2011年   485篇
  2010年   409篇
  2009年   351篇
  2008年   423篇
  2007年   429篇
  2006年   438篇
  2005年   376篇
  2004年   305篇
  2003年   268篇
  2002年   283篇
  2001年   348篇
  2000年   295篇
  1999年   291篇
  1998年   219篇
  1997年   173篇
  1996年   168篇
  1995年   178篇
  1994年   170篇
  1993年   170篇
  1992年   195篇
  1991年   192篇
  1990年   188篇
  1989年   162篇
  1988年   173篇
  1987年   201篇
  1986年   152篇
  1985年   168篇
  1984年   180篇
  1983年   157篇
  1982年   159篇
  1981年   132篇
  1980年   120篇
  1979年   132篇
  1978年   99篇
  1977年   82篇
  1976年   99篇
  1975年   114篇
  1974年   85篇
  1972年   66篇
排序方式: 共有10000条查询结果,搜索用时 468 毫秒
981.
This paper examines the theoretical and empirical basis for common rank-orderings of occupational roles by raters throughout the world. From an illustrative comparison of occupational stratification in Australia and the United States we conclude tentatively that (1) commonalities in the socioeconomic characteristics of occupational roles provide the basis for interplace consistencies in “prestige” scores, (2) the structure of occupational mobility in the U.S. and Australia is largely similar, (3) this similar structure of occupational stratification manifests a common socioeconomic process which defines a (the?) major component of occupational mobility in capitalist, industrial (only?) societies. We infer that “prestige” scores for occupations are fallible estimates of the socioeconomic statuses of occupation, within the context of mobility processes in (at least) the U.S. and Australia.  相似文献   
982.
983.
Many utility companies offer their customers the choice of participation in an average payment plan, which enables them to pay a fixed sum for their utility bill each month (with final settlement at the end of the billing year), instead of the conventional “pay as you go” billing procedure. Because customers on average payment plans are protected from paying large bills during peak energy-use seasons and because the information about monthly energy use and its cost is perhaps less salient to them, it was hypothesized that customers on the average payment plan would use more electricity than customers not on the plan. Using a nonequivalent control group design, the electricity consumption of a selection of customers of two utility companies (Ns = 475 and 74) was examined. The results showed that there was no evidence to support the hypothesis. Since the logic of hypothesis testing does not permit the ready acceptance of the null hypothesis, several procedural, methodological, and statistical points were made to buttress the conclusion that the average payment plans had no effect on electricity consumption.  相似文献   
984.
985.
986.
Natural history, observational, and interview data from a study of two anti-pornography crusades and the social movement organizations which created and directed them are used to assess nine propositions formulated by Zald and Ash (1966) concerning the structure and dynamics of social movement organizations. The Zald-Ash propositions were formulated from the literature on national, established social movement organizations. This paper explores the applicability of the propositions to those organizations which are small and emerging. The propositions are generally supported. Discrepancies are accounted for by the significant influence of leadership orientation, goal specificity, and incentive structure in determining other structural and dynamic characteristics of small or emerging social movement organizations.  相似文献   
987.
Effective targeted and community HIV/STD prevention programs   总被引:1,自引:0,他引:1  
Community interventions and interventions targeting specific groups at risk of STDs/HIV have demonstrated significant impacts on sexual behavior, particularly condom use and safer sex. The scientific evidence suggests the factors that make these interventions particularly effective include the establishment of community, including business and CBO partnerships; maintainance of the intervention post-research funding; and buy-in by the community or target group. The modification of risky normative beliefs through the use of opinion leaders and role models, and through intervention delivery by peer educators, is an important facet of such interventions. Interventions delivered by health professionals, absent a community base, appear to be unsuccessful. Where cultures or subcultures are targeted, the close involvement of such groups in the design and delivery of messages is critical to their success. Diffusion of interventions through existing social networks further extends the intervention into the community and acts to reinforce and maintain changes in peer norms toward safer sexual behavior. The available data confirm that community or medical infrastructure-based interventions are effective in changing sexual behavior and can reach a wider range of the population than face-to-face programs if they incorporate peer educators as role models in modifying norms, and if diffusion of the intervention is integral to the design.  相似文献   
988.
Ma X  Wilkins JL 《Evaluation review》2002,26(4):395-417
Using data from the Longitudinal Study of American Youth (LSAY), hierarchical linear models (HLMs) were used to model the growth of student science achievement in three areas (biology, physical science, and environmental science) during middle and high school. Results showed significant growth in science achievement across all areas. The growth was quadratic across all areas, with rapid growth at the beginning grades of middle school but slow growth at the ending grades of high school. At the student level, socioeconomic status (SES) and age were related to the rate of growth in all areas. There were no gender differences in the rate of growth in any of the three areas. At the school level, variables associated with school context (school mean SES and school size) and variables associated with school climate (principal leadership, academic expectation, and teacher autonomy) were related to the growth in science achievement. Initial (Grade 7) status in science achievement was not associated with the rate of growth in science achievement among either students or schools in any of the three areas.  相似文献   
989.
990.
Characteristics of effective providers of marital and family therapy (MFT) in rural mental health settings were investigated. The survey sample included 74 members of the National Association for Rural Mental Health who, through a modified Delphi process, created a composite picture of effective MFT providers. The findings yielded six major rank-ordered characteristics of effective MFT providers in rural mental health settings, with effective skills in MFT ranked first. Rural community understanding, appreciation and participation ranked second. Specific competencies contributing to each major characteristic were also identified and are discussed. Recommendations for use of this information are provided.  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