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   11739篇
  免费   305篇
管理学   1451篇
民族学   55篇
人口学   954篇
丛书文集   63篇
教育普及   3篇
理论方法论   1058篇
综合类   120篇
社会学   6313篇
统计学   2027篇
  2023年   60篇
  2021年   65篇
  2020年   148篇
  2019年   226篇
  2018年   243篇
  2017年   346篇
  2016年   256篇
  2015年   190篇
  2014年   264篇
  2013年   2381篇
  2012年   309篇
  2011年   312篇
  2010年   229篇
  2009年   210篇
  2008年   229篇
  2007年   243篇
  2006年   262篇
  2005年   238篇
  2004年   200篇
  2003年   180篇
  2002年   196篇
  2001年   283篇
  2000年   263篇
  1999年   279篇
  1998年   174篇
  1997年   155篇
  1996年   216篇
  1995年   213篇
  1994年   221篇
  1993年   227篇
  1992年   232篇
  1991年   220篇
  1990年   241篇
  1989年   213篇
  1988年   207篇
  1987年   178篇
  1986年   169篇
  1985年   174篇
  1984年   177篇
  1983年   128篇
  1982年   124篇
  1981年   104篇
  1980年   115篇
  1979年   115篇
  1978年   96篇
  1977年   85篇
  1976年   83篇
  1975年   85篇
  1974年   59篇
  1973年   55篇
排序方式: 共有10000条查询结果,搜索用时 69 毫秒
161.
162.
The April 1993 CPS differs from the March 1993 CPS in a number of respects. The April 1993 CPS supplement surveys only workers, whereas the March CPS examines the noncash benefits received by all Americans. The April CPS asks workers about health coverage in the week in which the questions were fielded, whereas the March CPS asks about coverage in the preceding year. In April 1993, there were 112.5 million civilian American workers between the ages of 18 and 64 with jobs. Eighty-two million (73 percent) of them worked for an employer that sponsored a health insurance plan, and 65 million (58 percent of all workers) participated in their employer's health plan. About one-third of workers at firms with fewer than 10 employees had employers who offer health benefits; about one-quarter of all of the workers in these firms participated in their employer's plan. Conversely, 94 percent of workers at firms with more than 1,000 employees had an employer who sponsored health benefits, and over 77 percent of these workers participated in their employer's plan. There are 16.5 million American workers whose employers sponsored health benefits but who did not participate in these benefits. Over one-half of these workers (8.5 million) chose not to be covered. Another 36 percent of these workers (5.9 million) did not participate because they were ineligible or denied coverage. Over 66 percent of the ineligible workers did not participate because they were part-time, contract, or temporary workers. Another 26 percent had not yet completed a probationary period. Among the reasons that those who chose not to participate in their employer's coverage, the vast majority (75 percent) stated they were covered by another health care plan. Twenty-nine percent stated that they chose not to purchase coverage because it was too costly or that they did not need or want the coverage. In 1993, there were 16.7 million workers with no health insurance coverage. The vast majority of these workers (95 percent) were employed by private employers. Sixty-six percent of the workers with no health insurance coverage were self-employed or worked for firms with fewer than 100 employees.  相似文献   
163.
164.
Alternative healing is an idea whose time has come, and 1993 was the critical year for that recognition. So believes internist David Edelberg, founder of the Chicago Holistic Center. There patients can see one of four allopathic physicians as well as practitioners in 37 additional therapies, including acupuncture, infant massage, homeopathy, nutrition counseling, and Ayurvedic medicine.  相似文献   
165.
Outdoor structured activities, such as Ropes Challenge Courses, are typically utilized as interventions for youth coming from urban settings. Evaluation of such programs is scanty at best. In this instance, the course experience is used as a prevention tool for high risk youth in a remote, rural setting of high unemployment, alcohol problems, and low income. The authors discuss the effectiveness of this approach, and the intended and unintended consequences for the rural community at large. The evaluation design relies on extensive qualitative methodology as well as quantitative methods to capture the unique nature of this rural project.  相似文献   
166.
The story of Anna O. has loomed large in psychoanalytic history, but few social workers know that the young woman, who was so influential in the development of Freud's thinking, became a pioneer social worker in Germany. The story of the transformation of the troubled young woman, who was actually Joseph Breuer's patient, is the focus of this paper. In addition, some of the facts of the case are discussed as social constructions. Anna O./ Bertha Pappenheim participated in the creation of the talking cure and eventually went on to be a leading feminist, developer of social programs for women, and social reformer.  相似文献   
167.
168.
169.
This article examines the current trends of proliferation of commercial gaming, especially in the United States, in the context of the third wave of legalization of gambling that has been experienced since the founding of the nation. The author looks at the historic foundations of the spread of casino-style gambling, and notes the types of casino gaming that have led the way in the current expansion. He also points out why it is reasonable to expect that this wave too may come crashing down, as general acceptance of wide-spread casino gaming in America may indeed be short-lived.Gambling and the Law® is a registered trademark of I. Nelson Rose.  相似文献   
170.
Business success in the 21st century will be based on the widespread mastery of leadership roles, rather than on the directives of a professional or leadership elite. The first step for systematically enacting a leadership development agenda for our nation is to identify the factors, values or qualities most important to leadership effectiveness. Next, we must improve our understanding of how these guiding ideas and insights translate into what successful leaders do. As we perfect this understanding, we will need to operationally define the best practices of successful leaders. These best practices must then become benchmarks for intensive leadership development efforts.This article considers nine methodological challenges of the first agenda item-identification of the factors, values or qualities most important to leadership effectiveness. To illustrate these challenges, the authors use their own business leadership research as a case study. This research surveys 127 chairmen, chief executive officers, and presidents-a cross section of successful U.S.A. business leaders, including men and women from all parts of the nation who have diverse industry, racial, ethnic and religious backgrounds. The authors identify where methodological improvements are needed to cope with the challenges of leadership research. They suggest important directions for methodological development and propose three minimum standards for future leadership research.  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