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   421篇
  免费   4篇
教育   298篇
科学研究   11篇
各国文化   10篇
体育   24篇
文化理论   2篇
信息传播   80篇
  2021年   3篇
  2020年   8篇
  2019年   14篇
  2018年   20篇
  2017年   15篇
  2016年   9篇
  2015年   7篇
  2014年   25篇
  2013年   85篇
  2012年   22篇
  2011年   17篇
  2010年   14篇
  2009年   18篇
  2008年   16篇
  2007年   14篇
  2006年   10篇
  2005年   3篇
  2004年   15篇
  2002年   12篇
  2001年   4篇
  2000年   7篇
  1999年   4篇
  1998年   5篇
  1997年   3篇
  1996年   6篇
  1995年   5篇
  1994年   6篇
  1993年   7篇
  1992年   3篇
  1991年   3篇
  1990年   4篇
  1989年   4篇
  1988年   3篇
  1987年   3篇
  1985年   4篇
  1984年   2篇
  1983年   2篇
  1982年   3篇
  1981年   2篇
  1977年   2篇
  1975年   1篇
  1974年   1篇
  1973年   1篇
  1971年   1篇
  1970年   1篇
  1968年   1篇
  1966年   1篇
  1964年   1篇
  1956年   1篇
  1904年   1篇
排序方式: 共有425条查询结果,搜索用时 8 毫秒
31.
32.
The h index is a widely used indicator to quantify an individual's scientific research output. But it has been criticized for its insufficient accuracy—the ability to discriminate reliably between meaningful amounts of research output. As a single measure it cannot capture the complete information on the citation distribution over a scientist's publication list. An extensive data set with bibliometric data on scientists working in the field of molecular biology is taken as an example to introduce two approaches providing additional information to the h index: (1) h2 lower, h2 center, and h2 upper are proposed, which allow quantification of three areas within a scientist's citation distribution: the low impact area (h2 lower), the area captured by the h index (h2 center), and the area of publications with the highest visibility (h2 upper). (2) Given the existence of different areas in the citation distribution, the segmented regression model (sRM) is proposed as a method to statistically estimate the number of papers in a scientist's publication list with the highest visibility. However, such sRM values should be compared across individuals with great care.  相似文献   
33.
The scientific impact of a publication can be determined not only based on the number of times it is cited but also based on the citation speed with which its content is noted by the scientific community. Here we present the citation speed index as a meaningful complement to the h index: whereas for the calculation of the h index the impact of publications is based on number of citations, for the calculation of the speed index it is the number of months that have elapsed since the first citation, the citation speed with which the results of publications find reception in the scientific community. The speed index is defined as follows: a group of papers has the index s if for s of its Np papers the first citation was at least s months ago, and for the other (Np ? s) papers the first citation was ≤s months ago.  相似文献   
34.
35.

This qualitative study examined the impact of mentoring relationships upon preservice and inservice teachers' literacy instruction. Twenty-two undergraduate students seeking teacher certification were assigned in pairs to tutor primary school students in a university reading clinic. Eleven classroom teachers seeking reading specialist certification conducted ten mentoring sessions with each pair of preservice teachers. Purposeful sampling was used to select three of the mentoring teams for data analysis. In two out of three teams, results indicated that preservice teachers expanded their instructional strategies as a result of three components of the mentoring relationship: selection of strategies, organization, and non-judgmental support. All inservice teachers reported increased reflection on and adaptation to their instructional strategies. Findings support the conclusion that early mentoring experiences foster growth for both preservice and inservice teachers.  相似文献   
36.

As conservative political ideologies have shifted U.S. correctional policies toward a justice model orientation, efforts to escalate the “pains of imprisonment” have become increasingly prevalent. Although these attempts to enhance the punishing aspects of incarceration are primarily driven by political grandstanding and emotional appeal, it is not uncommon for today's postsecondary students to enter the classroom with punitive attitudes similarly based on rhetoric and emotion. Yet correctional students cannot be expected to develop an empathetic appreciation for the intrinsically punishing nature of confinement itself through traditional classroom techniques that rely exclusively on the cognitive dimensions of learning. In an effort to broaden personal perspectives on punishment by engaging the affective domain, students in an introductory corrections class participated in a simulated 48-hour confinement exercise. The intent was to enhance empathy for the intrinsic discomfort of imprisonment through experiential learning. The results not only point clearly in that direction, but also manifest parallels with the actual pains of confinement experienced by inmates in the real world.  相似文献   
37.
This article documents the efforts by Mexican Americans to challenge school segregation in Arizona in the first half of the twentieth century. As in Texas and California, although state law never formally mandated the segregation of Mexican American students, school districts in Arizona often established separate “Mexican Schools” for Mexican American students. While districts argued that segregation was necessary because of students' poor English skills, the segregation of Mexican American students in Arizona's public schools was not an isolated practice but occurred in tandem with other discriminatory practices that restricted the social rights of Mexican Americans, many of whom were American citizens. However, Mexican Americans challenged segregation in the courts. Notably, in Gonzales v. Sheely, a case heard in the United States District Court of Arizona in 1950, Judge Dave Ling declared segregation unconstitutional over three years before the Supreme Court's historic decision in Brown v. Board (1954).  相似文献   
38.
39.
This paper describes the Texas A&M University (TAMU) Libraries' new and innovative approach to monograph collection development using a re-engineered internal funding structure and a process that reflects the needs and goals of the library and its users. The paper discusses the goals of the new fund structure, the experience of implementing it, and the results after one year in use.  相似文献   
40.
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