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   404篇
  免费   8篇
教育   269篇
科学研究   25篇
各国文化   1篇
体育   50篇
文化理论   12篇
信息传播   55篇
  2023年   3篇
  2022年   8篇
  2021年   8篇
  2020年   12篇
  2019年   27篇
  2018年   23篇
  2017年   18篇
  2016年   25篇
  2015年   10篇
  2014年   13篇
  2013年   74篇
  2012年   21篇
  2011年   14篇
  2010年   17篇
  2009年   15篇
  2008年   19篇
  2007年   14篇
  2006年   16篇
  2005年   11篇
  2004年   7篇
  2003年   5篇
  2002年   8篇
  2001年   9篇
  2000年   2篇
  1999年   7篇
  1998年   3篇
  1997年   3篇
  1996年   1篇
  1995年   1篇
  1994年   2篇
  1993年   5篇
  1989年   1篇
  1988年   2篇
  1983年   1篇
  1981年   1篇
  1980年   1篇
  1979年   1篇
  1976年   2篇
  1972年   1篇
  1971年   1篇
排序方式: 共有412条查询结果,搜索用时 15 毫秒
71.
Scientific collaboration is often perceived as a joint global process that involves researchers worldwide, regardless of their place of work and residence. Globalization of science, in this respect, implies that collaboration among scientists takes place along the lines of common topics and irrespective of the spatial distances between the collaborators. The networks of collaborators, termed ‘epistemic communities’, should thus have a space-independent structure. This paper shows that such a notion of globalized scientific collaboration is not supported by empirical data. It introduces a novel approach of analyzing distance-dependent probabilities of collaboration. The results of the analysis of six distinct scientific fields reveal that intra-country collaboration is about 10–50 times more likely to occur than international collaboration. Moreover, strong dependencies exist between collaboration activity (measured in co-authorships) and spatial distance when confined to national borders. However, the fact that distance becomes irrelevant once collaboration is taken to the international scale suggests a globalized science system that is strongly influenced by the gravity of local science clusters. The similarity of the probability functions of the six science fields analyzed suggests a universal mode of spatial governance that is independent from the mode of knowledge creation in science.  相似文献   
72.
As the concept of distributed leadership and its concomitant organizational structures become more prevalent in schools, studying how teacher capacity can be enhanced and can be used as a catalyst for reform is important. This article documents the nature of how the implementation of a research-validated reform influenced what teachers thought about their own teaching, student achievement, and expectations. A case study approach documented the experiences of elementary school teachers in a high poverty, historically low-performing elementary school as they implemented a researched-validated instructional reform targeting the most at-risk students in the school. The teachers experienced significant professional growth that encompassed self-doubt, resistance, acceptance, and finally advocacy. Implications for the practices that define educational leadership and school improvement are discussed in light of how successful reform can improve teacher capacity.  相似文献   
73.
Research consistently demonstrates elevated rates of depression among college‐aged women, yet evidence of racial differences in depression among this population are poorly understood. Moreover, the correlates of depression among Asian American women are also understudied. In this exploratory analysis, we examined mean differences in depression levels in a sample of Asian American (n = 117) and European American (n = 257) students from a women's liberal arts college. We also estimated associations between depression and relational health in three types of relationships (mentor, friend, and college community) using ordinary least squares regression. Relational health was examined as a buffer (i.e., moderator) against depression. Results indicated no differences in depression levels between Asian American and European American women. Relationships with the college community were associated with lower levels of depression in both groups of women. Limited evidence suggested that relational health served as a buffer. Results are discussed in light of interventions for college campuses.  相似文献   
74.
The ability to build arguments is a crucial skill and a central educational goal in all school subjects including science as it enables students to formulate reasoned opinions and thus to cope with the increasing complexity of knowledge. In the present cross-sectional study, we examined the domain-specificity of argumentative writing in science by comparing it with a rather general type of argumentation as promoted in first-language education and with formal reasoning to gain insight into different forms of argumentation on theoretical and empirical levels. Using a paper-and-pencil test, we analyzed written argumentations and the reasoning abilities of 3,274 Grade-10 students in German secondary schools. Correlation and multiple regression analyses as well as a qualitative analysis of students' answers to a subset of tasks in the domains of science and first-language education were conducted. Results showed moderate relations between argumentation in science, argumentation in first-language education, and reasoning. Half of the variance in argumentation in science was explained by individual differences in argumentation in first-language education and reasoning. Furthermore, the examination of written arguments revealed differences, for example, in students' weighing of pros and cons. We assume that the familiarity of the underlying scientific information may play an essential role in the argumentation process and posit that it needs to be investigated in more detail. Overall, the study indicates that investigating the argumentational abilities of learners in first-language education and reasoning abilities can help to shed light on the domain-specificity of argumentation in science.  相似文献   
75.
Why and under which conditions do international student assessment programmes like PISA have success? How can the results of these assessments be useful for advocates of different, even contradictory, policies? What might explain different patterns of using assessment as a tool for school governance? Drawing on historical and comparative research, and using PISA as an example, this paper provides a frame for discussing these and other questions around the international rise of accountability as a key tool of social change. The basic argument is that even though accountability is a global phenomenon, the ways and means of enacting and encountering accountability are not. How accountability is experienced depends on deeply engrained ‘constitutional mind‐sets’, i.e. diverse cultures of conceptualizing the relation between the public and its institutions.  相似文献   
76.
According to the Simple View of Reading, reading ability can be divided into decoding and language comprehension. In the present study, decoding and comprehension's contribution to reading ability was studied both in children with reading difficulties and in children with typical reading ability. Decoding and comprehension was further divided into sub-components, and the contribution from non-verbal ability and general processing speed was also studied. The results demonstrated that decoding made the largest contribution to reading ability for children with reading difficulties, while language comprehension contributed the most for children with typical reading ability. The contribution of non-verbal ability was not significant, and general processing speed only made a significant contribution to decoding for typical children. The two factors in the Simple View of Reading, decoding and comprehension, together explained less of the variance in reading ability for children with reading difficulties than for children with typical reading ability.  相似文献   
77.
78.
79.
Researchers have not yet reached agreement about the validity of several competing explanations that seek to explain ethnic differences in juvenile violent offending. Ethnicity cannot solely explain why boys with an ethnic minority background commit more (violent) crimes. By assessing the intersectionality of structural, cultural and individual considerations, both the independent effects as well as the interplay between different factors can be examined. This study shows that aforementioned factors cumulatively play a role in severe violent offending, with parental connectedness and child abuse having the strongest associations. However, since most variables interact and ethnicity is associated with those specific factors, a conclusion to be drawn is that ethnicity may be relevant as an additional variable predicting severe violent offending although indirectly.  相似文献   
80.
This paper considers two paradigms of process-aware information systems (PAIS) that are used to share knowledge about planning and executing tasks. The case-based task management (CBTM) system is based on the transduction of execution protocols, so-called cases; and the pattern-based task management (PBTM) system is based on task patterns that are derived from cases but yield more abstract information. As user motivation to contribute to a collaborative task management system is a crucial factor for its success, we consider the different motivational requirements of CBTM and PBTM from a psychological point of view. Based on experimental findings about different factors that have been shown to enhance people's motivation to contribute their knowledge to a shared pool, we compare the two approaches and assess which one is more appropriate with respect to motivation.  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