全文获取类型
收费全文 | 2803篇 |
免费 | 55篇 |
国内免费 | 20篇 |
专业分类
教育 | 1896篇 |
科学研究 | 301篇 |
各国文化 | 34篇 |
体育 | 327篇 |
综合类 | 35篇 |
文化理论 | 41篇 |
信息传播 | 244篇 |
出版年
2023年 | 23篇 |
2022年 | 39篇 |
2021年 | 75篇 |
2020年 | 97篇 |
2019年 | 151篇 |
2018年 | 174篇 |
2017年 | 174篇 |
2016年 | 148篇 |
2015年 | 148篇 |
2014年 | 140篇 |
2013年 | 464篇 |
2012年 | 129篇 |
2011年 | 124篇 |
2010年 | 108篇 |
2009年 | 86篇 |
2008年 | 96篇 |
2007年 | 124篇 |
2006年 | 100篇 |
2005年 | 60篇 |
2004年 | 54篇 |
2003年 | 60篇 |
2002年 | 44篇 |
2001年 | 44篇 |
2000年 | 39篇 |
1999年 | 20篇 |
1998年 | 16篇 |
1997年 | 8篇 |
1996年 | 14篇 |
1995年 | 13篇 |
1994年 | 15篇 |
1993年 | 8篇 |
1992年 | 7篇 |
1991年 | 5篇 |
1990年 | 6篇 |
1989年 | 7篇 |
1988年 | 3篇 |
1987年 | 2篇 |
1986年 | 4篇 |
1985年 | 7篇 |
1984年 | 2篇 |
1983年 | 4篇 |
1981年 | 2篇 |
1977年 | 5篇 |
1976年 | 6篇 |
1974年 | 3篇 |
1973年 | 3篇 |
1972年 | 2篇 |
1971年 | 2篇 |
1970年 | 2篇 |
1948年 | 1篇 |
排序方式: 共有2878条查询结果,搜索用时 359 毫秒
1.
Luis García-González Javier Sevil-Serrano Angel Abós Nathalie Aelterman Leen Haerens 《Physical Education & Sport Pedagogy》2019,24(4):344-358
Background: A distinction is made in Achievement Goal Theory (AGT) between task-oriented (i.e. effort, intra-individual progress, and self-comparison) and ego-oriented (i.e. inter-individual progress and normative comparison) climates. Combining insights from AGT and Self-Determination Theory (SDT), studies in the PE context have shown that a task-oriented climate positively relates to need satisfaction, although the findings regarding the motivating role of an ego-oriented climate are inconsistent. Moreover, little is known about the role of task- or ego-oriented climates in explaining experiences of basic psychological need frustration.Purpose: Grounded in AGT and SDT, the aim of the present study was to examine if experiences of basic psychological need satisfaction and need frustration can explain why task- and ego-oriented climates elicit positive and negative motivational outcomes in PE, respectively.Research design: Cross-sectional study.Method: A sample of 524 secondary school students (51.1% boys, Mage?=?14.51; SD?=?1.81) from five different secondary schools participated in this study. Students reported on their perceptions of task- and ego-oriented climates, motivational regulations, basic psychological need satisfaction, and need frustration, as well as positive and negative outcomes in PE. Structural equation modeling was used to investigate our objective.Results: We found that a task-oriented climate had a strong and positive relationship with basic psychological need satisfaction, eliciting a bright pathway to autonomous motivation and affective attitude. An ego-oriented climate was positively related to basic psychological need frustration, eliciting a dark pathway to amotivation and boredom. A negative cross-path from task-oriented climate to basic psychological need frustration was also found, while no significant cross-paths were found from ego-oriented climate to basic psychological need satisfaction.Conclusions: This study provides a better understanding of the mechanisms that explain why task- and ego-oriented climates shape students’ motivational experiences in PE lessons. It is suggested that a task-oriented climate elicits a bright pathway towards more optimal functioning, because it fosters experiences of need satisfaction and buffers against experiences of need frustration. In contrast, an ego-oriented climate is primarily positively related to feelings of need frustration and negative motivational outcomes. Practical implications for PE teacher training are discussed. 相似文献
2.
3.
1.开发平台的选择 开发平台的选择有多种开发工具的组合(操作系统+网络数据库编程软件+脚本开发工具)支持网络教育平台的模块化开发.其中以Apache+MySQL+PHP技术颇具代表性. 相似文献
4.
5.
Kristjana Kristinsdóttir 《Archival Science》2003,3(2):199-204
The article sets off with a brief summary of the history of appraisal and disposal of records as processed at the National Archives of Iceland (NAI) since its establishment in 1882 to present times. Rules on appraisal and disposal of records introduced in 1900, 1911, and 1916 were ignored and all records were kept. Status quo remained until 1985 when a new National Archives Act was passed. The appraisal and disposal process adopted then is described and explained. It included the publication of instructions on records management as well as forms relating to records management. The influence of acts of law on the appraisal and disposal process is explained. Finally the experience with the arrangement of organised appraisal in Iceland is described. 相似文献
6.
There is an increasing interest in linking character education programs with social and academic outcomes. The Child Development
Project (CDP) is a character education program that promotes academic and social growth in teachers and students. This theory-driven
evaluation employed a quasi-experimental design with matched control schools. School personnel participated in an intensive
professional development process to learn the CDP model. Performance measures included state-mandated achievement measures,
teacher self-assessment reports, and student attitudes and outcomes. Results yielded support for the CDP model as a strategy
to improve social and, if properly implemented, cognitive outcomes in students; the model also improved teacher self-assessment
and provided information that may facilitate professional growth about school collegiality. Implications for policy and practice
will be discussed. 相似文献
7.
8.
9.
香港高校图书馆文献资源建设活动研究 总被引:2,自引:0,他引:2
通过对香港地区高校图书馆文献信息资源建设的分析,对内地高校图书馆文献信息资源建设提供借鉴. 相似文献
10.
知识组织系统中关系模式的应用比较 总被引:2,自引:0,他引:2
文章以医学数字信息资源知识组织为案例,对领域本体、目前常用的医学数字信息资源知识组织的工具《医学主题词表》和统一医学语言系统的语义网络进行对比研究,深入分析了三者的联系和区别,在此基础上讨论了知识组织体系中的关系模式在知识组织中的应用特点。信息资源知识组织有赖于领域本体的完善,而领域本体高质高效的构建和应用需充分发扬和整合主题词表和语义网络的成果,即利用叙词表已经规范了的专业概念和语义网络定义的语义类型。 相似文献