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   252篇
  免费   0篇
教育   155篇
科学研究   21篇
各国文化   4篇
体育   48篇
文化理论   6篇
信息传播   18篇
  2023年   1篇
  2022年   2篇
  2021年   8篇
  2020年   8篇
  2019年   17篇
  2018年   16篇
  2017年   17篇
  2016年   17篇
  2015年   8篇
  2014年   12篇
  2013年   52篇
  2012年   9篇
  2011年   7篇
  2010年   9篇
  2009年   6篇
  2008年   6篇
  2007年   7篇
  2006年   7篇
  2005年   6篇
  2004年   7篇
  2003年   4篇
  2001年   2篇
  1999年   6篇
  1997年   2篇
  1996年   2篇
  1994年   3篇
  1993年   2篇
  1991年   4篇
  1990年   1篇
  1982年   1篇
  1978年   1篇
  1976年   1篇
  1974年   1篇
排序方式: 共有252条查询结果,搜索用时 15 毫秒
161.
In Salinas, a city of 150,000 on the Central Coast of California, an $8 million federal grant program is helping children and their families grapple with issues pertaining to violence, substance abuse, mental health, and academic success. In just two years, the program has helped educators and service providers deter school crime, provide on‐campus therapy to troubled youth, increase participation in parenting programs, and decrease truancy at several schools. Most importantly, the Salinas initiative has helped providers coordinate services to children and families who need them most. Project directors say that approach will be crucial as they search for new ways to sustain Safe Schools/Healthy Students (SS/HS)‐funded programs. © 2003 Wiley Periodicals, Inc. Psychol Schs 40: 503–513, 2003.  相似文献   
162.
Relying on efficiency analysis, we evaluate to what extent policy makers have been able to promote the establishment of consolidated and comprehensive research groups to contribute to the implementation of a successful innovation system for the Spanish food technology sector, oriented to the production of knowledge based on an application model. Using data envelopment analysis techniques that allow calculation of a generalized version of the traditional distance function model for productive efficiency, we find pervasive levels of inefficiency and a typology of different research strategies. Among these, in contrast to what has been assumed, established groups do not play the pre-eminent benchmarking role; rather, partially oriented, specialized and “shooting star” groups are the most common patterns. These results correspond with an infant innovation system, where the fostering of higher levels of efficiency and the promotion of the desired research patterns are ongoing.  相似文献   
163.
This qualitative study explores the reflexive relationships among mental illness, acculturation, and progress toward English proficiency in five adult immigrants being treated at a Canadian psychiatric hospital. The research explores the additional challenges faced by mentally ill individuals when learning a new language and the extent to which English language acquisition may be impeded by factors related to mental illness. Semistructured ethnographic interviews are conducted with the patients. Data analysis is accomplished through grounded theory methods, specifically data-driven and theory-driven coding. The English language acquisition experiences of these five individuals are contrasted with second-language acquisition theory to suggest that the effects of the theoretical language learning advantages possessed by this group may have been diminished by factors related to mental illness. Policy recommendations are made to address this additional set of challenges for immigrants with psychiatric disorders.  相似文献   
164.
Word reading fluency is a key component in the process of reading. In order to understand its acquisition it is crucial to conduct longitudinal studies. The aim of this work was to describe the development of word recognition in Spanish, considering accuracy and speed, from a longitudinal perspective. A group of 31 children were followed for six years. Reading performance was assessed with a list of 72 stimuli in which lexicality, frequency and length were manipulated. Results show that initial gains in reading accuracy occurred very rapidly. However, the growth of reading speed was found to be more difficult and complex, and automatic word recognition remains low at the end of Grade 6. Low frequency, long words were the most difficult stimuli. High stability in reading speed was observed and it was a relevant indicator that differentiates between good and poor readers. The findings also highlighted the need to develop training programs with the specific aim of improving word reading fluency throughout primary education.  相似文献   
165.
In teaching introductory quantitative methods in sociology, I have used a controversial survey of mortality in Iraq before and after the 2003 invasion to highlight to students the power of simple questionnaires, the role of ambiguity in statistics and the place of politics in the framing of statistical results. This brief report summarizes Roberts et al.'s (2004) estimate that the invasion of Iraq resulted in 98,000 (95% CI = 8000–194,000) deaths, as well as the intriguing reaction that the survey received in the press. Statistics teachers should find the Roberts et al. study to be an effective way to introduce students to more controversial – and political – aspects of statistical research.  相似文献   
166.
The Spanish pharmaceutical industry underwent an important transformation during the 1990s. To survive under the new market conditions, labs had to refocus their competitive strategies towards increasing productive efficiency or reinforcing research and development (R&D) activities. This paper analyzes the evolution of the productive patterns in a sample of 80 pharmaceutical laboratories that operated in Spain from 1994 to 2000. We estimate Malmquist productivity indexes and decompose them into four sources of productivity change. The results suggest that pure technical efficiency change and the scale change of the technology explain most of the productivity growth observed during the period. The contribution of technical change to productivity growth is negligible, indicating a poor result from R&D activities at least in the groups of Small and Medium-sized labs.  相似文献   
167.
168.
Despite steady investment in English language education made by developing countries over the past few decades, results continue to be constrained by lack of high-quality instructors and language learning resources. Thus, using technology in language instruction has increasingly been recognized as a potential approach for addressing these constraints. This study uses administrative data from a large public university in Mexico to examine the impact of a technology-enhanced blended program on students' English course grades and course completion rates. Specifically, we focus on a campus-wide policy change in all compulsory English language courses that replaces half of the traditional face-to-face class time with an interactive online learning environment developed by a leading technology-mediated English language learning and assessment provider. Our results suggest that, compared to traditional face-to-face instruction, blended learning had a significant, positive impact on students' course grades and course completion rates. In addition, the enrollment-teacher ratio increased after replacing half of the face-to-face instructional time with online learning, suggesting that blended learning environments hold promise for providing high-quality and cost-effective language instruction.  相似文献   
169.
This study examined gender differences in the rate of change in mathematics affect (attitude and anxiety toward mathematics and utility of mathematics) across middle and high school, using data from the Longitudinal Study of American Youth. Hierarchical linear models indicated no gender differences in the rate of decline in either attitude or utility, but females grew faster in anxiety than males. Schools were more responsible for variation in the male than female rate of change in mathematics affect. Student and school variables influenced the rate of change in mathematics affect in a quite different way between males and females.  相似文献   
170.
This paper asks whether high school leadership activities play an important role in explaining the Hispanic college-completion gap. The analysis in this paper considers the role that English language fluency plays in a Hispanic student's leadership probability and in the student's future educational success. The main results in this paper are: first, after controlling for demographic and school characteristics, there are no major differences in high school leadership activities between Hispanics and non-Hispanics; second, high school leadership activities predict higher college attendance rates for all demographic groups; and third, high school leadership activities predict a higher probability of attaining a college degree among Hispanic students whose first language is not English. Importantly, this relationship is stronger among students whose first post-secondary institution is a 2-year college.  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