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   23521篇
  免费   423篇
  国内免费   1篇
管理学   3339篇
民族学   92篇
人才学   1篇
人口学   2294篇
丛书文集   94篇
教育普及   3篇
理论方法论   2144篇
现状及发展   1篇
综合类   306篇
社会学   11266篇
统计学   4405篇
  2021年   159篇
  2020年   350篇
  2019年   478篇
  2018年   545篇
  2017年   764篇
  2016年   593篇
  2015年   418篇
  2014年   573篇
  2013年   3667篇
  2012年   760篇
  2011年   733篇
  2010年   550篇
  2009年   458篇
  2008年   553篇
  2007年   568篇
  2006年   580篇
  2005年   534篇
  2004年   497篇
  2003年   437篇
  2002年   497篇
  2001年   622篇
  2000年   617篇
  1999年   562篇
  1998年   424篇
  1997年   385篇
  1996年   394篇
  1995年   356篇
  1994年   331篇
  1993年   364篇
  1992年   410篇
  1991年   392篇
  1990年   352篇
  1989年   348篇
  1988年   341篇
  1987年   295篇
  1986年   294篇
  1985年   334篇
  1984年   321篇
  1983年   305篇
  1982年   253篇
  1981年   214篇
  1980年   195篇
  1979年   235篇
  1978年   210篇
  1977年   185篇
  1976年   164篇
  1975年   180篇
  1974年   150篇
  1973年   138篇
  1972年   109篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
201.
"This study examines the relationship between black population concentration (% black), black population change and white population change for small American suburbs for the 1950-1980 period. Linear, tipping point (curvilinear) and interaction models of racial transition are evaluated for each decade by region (South and non-South), controlling for several other suburban characteristics (age, annexation and distance to the Central Business District) which may affect both black and white population change. The analyses show that racial transition in suburbs involves the parallel development of white and black populations with mainly weak and complex causal linkages which are sensitive to broader suburbanization patterns."  相似文献   
202.
BELIEVABILITY AND THE PRESS   总被引:3,自引:0,他引:3  
This study looks at believability ratings assigned to 39 newsorganizations and news personalities by a nationally representativesample of 2,104 adult men and women. The data provide threemajor findings about the believability of the American press,all of which, at least in part, tend to be at odds with muchof the conventional wisdom and some of the contemporary researchdealing with the credibility of the news media. First, the overwhelmingmajority of the general public believes most of what it hears,sees, or reads in the nation's press. Second, perceived "believability"of the news media is not closely related to those politicaland demographic variables that typically divide public opinionin America. Third, the public does "group" the news media interms of "believability," but the groupings do not equate withthe dichotomy usually drawn between television and print journalism.  相似文献   
203.
"Net undercount rates in the U.S. decennial census have been steadily declining over the last several censuses. Differential undercounts among race groups and geographic areas, however, appear to persist. In the following, we examine and compare several methodologies for providing small area estimates of census coverage by constructing artificial populations. Measures of performance are also introduced to assess the various small area estimates. Synthetic estimation in combination with regression modelling provide the best results over the methods considered. Sampling error effects are also simulated. The results form the basis for determining coverage evaluation survey small area estimates of the 1900 decennial census."  相似文献   
204.
The author examines the content and methodology of the 1989 Soviet census. Items to be included in the questionnaires for both the total population and the 25 percent sample survey are described. The author notes that questions on housing will be included for the first time. Other topics considered include reliability of data, confidentiality, and organization.  相似文献   
205.
It is shown that when a parameter lying in a sufficiently small interval is to be estimated in a family of uniform distributions, a two point prior is least favourable under squared error loss. The unique Bayes estimator with respect to this prior is minimax. The Γ-minimax estimator is derived for sets Γ of priors consisting of all priors that give fixed probabilities to two specified subintervals of the parameter space if a two point prior is least favourable in Γ.  相似文献   
206.
1. It is important to examine client and staff satisfaction with the RN case management (RNCM) model to enhance the quality of care in psychiatric settings. 2. Ninety-two percent of clients surveyed ranked the RNCM care as "excellent" or "above average." Clients valued most the humanistic role of the RNCM and repeatedly commented on the importance of the nurse being caring, genuine, and supportive. 3. RNCMs expressed high satisfaction with their role, which they described as collaborative with the psychiatrist, yet also professional and independent. Psychiatrists expressed a high degree of confidence that clients were receiving excellent care by competent nurse professionals.  相似文献   
207.
1. As the nurse-patient relationship evolves through a series of ongoing interactions, both participants become "known" and stir in each other a range of positive and negative emotional reactions. 2. When working with severely psychologically disturbed patients, the nurse's affective and behavioral response can be valuable clues to understanding the patient's early experiences that contribute to the pattern of relatedness and to the formulation of change, enhancing therapeutic interactions. 3. The goals of the countertransference peer supervision group were to recognize unconscious countertransference reactions; unravel the origin and meaning of those countertransference reactions; and collaboratively develop therapeutic nursing interventions.  相似文献   
208.
209.
210.
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