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   902篇
  免费   10篇
  国内免费   2篇
教育   688篇
科学研究   53篇
各国文化   12篇
体育   63篇
综合类   2篇
文化理论   10篇
信息传播   86篇
  2023年   11篇
  2021年   7篇
  2020年   16篇
  2019年   31篇
  2018年   34篇
  2017年   37篇
  2016年   40篇
  2015年   28篇
  2014年   30篇
  2013年   230篇
  2012年   22篇
  2011年   17篇
  2010年   21篇
  2009年   15篇
  2008年   19篇
  2007年   8篇
  2006年   14篇
  2005年   12篇
  2004年   13篇
  2003年   10篇
  2002年   9篇
  2001年   10篇
  2000年   13篇
  1999年   6篇
  1998年   14篇
  1997年   8篇
  1996年   7篇
  1995年   17篇
  1994年   5篇
  1993年   7篇
  1992年   14篇
  1991年   6篇
  1990年   12篇
  1989年   7篇
  1988年   9篇
  1986年   7篇
  1985年   7篇
  1983年   5篇
  1982年   16篇
  1981年   6篇
  1980年   6篇
  1979年   10篇
  1978年   10篇
  1976年   6篇
  1975年   5篇
  1974年   5篇
  1973年   6篇
  1972年   4篇
  1970年   8篇
  1968年   5篇
排序方式: 共有914条查询结果,搜索用时 359 毫秒
901.
School districts in the USA are an active area of study in education research as findings have shown that some districts find success in certain contexts while others struggle. However, the research domain has had few actionable methods for site selection for in-depth qualitative studies. This study analyses all districts in the state of Ohio (n = 610) from 2005–2006 through 2012–2013 using a two-level hierarchical linear growth model to identify districts that significantly outperform or underperform background and demographic variables in the Ohio Performance Index (PI) Score, factors outside the influence of the district administration. The aim of the study is to provide a framework for selecting comparison and contrast sites for district effectiveness research (DER). Additionally, the model captures school-level variance within districts controlling for average district performance. Fifteen outperforming districts are named as potential sites for in-depth qualitative studies of district effects in comparison to similar districts at the norm.  相似文献   
902.

Work avoidance goals, which refer to wanting to do as little as possible in school, are detrimental to school success. Given its maladaptive nature, studies have investigated the antecedents of work avoidance, such as the role of personal characteristics and social-contextual factors. The influence of one’s classmates, however, remains under-explored. Drawing from social contagion research, we examined whether work avoidance goals spread among classmates. Questionnaires were administered to 1524 adolescent students nested within 50 classes. Two waves of data were collected one semester apart. Multilevel modeling was used to analyze the data. Results showed that a student’s work avoidance in Time 2 was predicted by his/her classmates’ work avoidance in Time 1. These results held even after controlling for one’s own Time 1 work avoidance. Moreover, work avoidance goals led to higher levels of disengagement and lower levels of engagement. The findings demonstrate that work avoidance goals are socially contagious and that they have negative consequences for students’ engagement. This study extends our theoretical understanding of work avoidance by highlighting the vital role played by one’s classmates in shaping students’ avoidance of schoolwork and the deleterious consequences that come with it.

  相似文献   
903.
European Journal of Psychology of Education - The self-system model of motivational development was used in this study to examine whether and how student motivation and self-assessment...  相似文献   
904.
Curriculum planning for the development of graphicacy capability has not been systematically included in general education to coincide with the graphicacy needs of human society. In higher education, graphicacy curricula have been developed to meet the needs of certain disciplines, for example medical and teacher training and engineering, among others. A framework for graphicacy curricula, anticipating the graphicacy needs in higher education, has yet to be strategically planned for general education. This is partly a result of lack of research effort in this area, but also a result of lack of systematic curriculum planning in general. This paper discusses these issues in the context of graphicacy curricula for engineering. The paper presents three broad individual case studies spanning Europe and the USA, brought together by the common denominator, graphicacy. The case studies are based on: an analysis of graphicacy within general education curricula, an analysis of graphicacy for engineering education in Europe and an analysis of graphicacy for engineering education in the USA. These three papers were originally presented in a plenary session at the American Society for Engineering Education, Engineering Design Graphics Division at the University of Limerick in November 2012. The case studies demonstrate the potential for strategic curriculum planning in regard to the development of graphicacy in general education and an overview of a methodology to achieve that. It also offers further evidence towards the importance of the systematic classification of graphics capabilities in Engineering and how the lack of a developed theoretical framework in this area undermines the case for the importance of graphics within engineering education.  相似文献   
905.
This article describes the development of an instrument – the Career and Talent Development Self‐Efficacy Scale (CTD‐SES) – for assessing students’ self‐efficacy in applying life skills essential for personal talent development, acquisition of positive work habits, and career exploration. In Study 1, data were obtained from a large sample of Chinese middle‐school students (N=15,113) in Grades 7–9 in Hong Kong. The CTD‐SES is an 18‐item questionnaire with subscales containing items that address students’ orientations toward developing their own talents, acquiring and applying positive work habits, and exploring their career possibilities. Evidence is provided for internal consistency, temporal stability, and factor structure of the CTD‐SES. Goodness of fit statistics provided support for a three‐primary‐factor‐plus‐higher‐factor model, and this solution was used in the statistical analyses. The data also indicated that students with plans for university study reported significantly higher scores than those without on all three domains of career and talent development. In Study 2 (N=308) Grade 10 high‐ability students’ scores in CTD‐SES were correlated with scores in career decision self‐efficacy and academic performance. The development and validation of CTD‐SES is the first step toward investigating career exploration, work habits, and talent development among Asian middle‐school adolescents.  相似文献   
906.
Geographic clusters confer advantages to collocated firms, in particular access to local know-how. This article argues that the access to local know-how is contingent on the extent to which inventive activity is concentrated in the cluster. We draw on sociological theories of generalized exchange to argue that contrasting logics of exchange emerge in geographic clusters that have opposing effects on the extent to which firms benefit from collaborating with local organizations and source local knowledge. A longitudinal data set of 1903 firms engaged in nanotechnology research is used to examine the relationship between firm co-authorships on scientific articles with firms and public research organizations (PROs) and firm inventive performance. Results indicate that when cluster-level firm inventive concentration is high, collaborations with local firms are associated with lower inventive performance. We also find that firms source less local knowledge for their own inventions when firm inventive concentration is high. In contrast, concentrated inventive activity among PROs increases the positive relationship between collaborations with local PROs and firm inventive performance. Results also show firms source more knowledge from local PROs when local PRO inventive concentration is high. The findings suggest that inventive concentration both helps and hinders spill-over of cutting-edge knowledge.  相似文献   
907.
The objective of this study is to analyse differences in motivation and social self-concept in students participating in three different programmes of heritage education in informal contexts. A total of 667 secondary school students from the mining and industrial area of Bizkaia participated in the study. The results show differences in motivation between experimental and control groups before and after their participation in the inter-generational programme. Differences were also found in social self-concept after participation in the inter-generational programme and a follow-up class, after participation in the Dolores Ibarruri programme and after visiting the Mining Museum. With regard to gender, no differences are found in motivation either before or after participation, although differences are found in favour of females in social self-concept.  相似文献   
908.
The ability to compare published group-level estimates of objectively measured moderate-to-vigorous physical activity (MVPA) across studies continues to increase in difficulty. The objective of this study was to develop conversion equations and demonstrate their utility to compare estimates of MVPA derived from the wrist and hip. Three studies of youth (N = 232, 9-12yrs, 50% boys) concurrently wore a hip-worn ActiGraph and a wrist-worn GENEActiv for 7-days. ActiGraph hip count data were reduced using four established cutpoints. Wrist accelerations were reduced using the Hildebrand MVPA 200 mg threshold. Conversion equations were developed on a randomly selected subsample of 132 youth. Equations were cross-validated and absolute error, absolute percent error, and modified Bland-Altman plots were evaluated for conversion accuracy. Across equations R2adj was 0.51–0.56 with individual-level absolute error in minutes ranging from 7 (wrist-to-hip Puyau) to 14.5 minutes (wrist-to-hip Freedson 3MET) and absolute percent differences ranging from 13.9%-24.5%. Group-level cross-validation to convert hip-to-wrist MVPA resulted in average absolute percent errors ranging from 3.1%-4.9%. Conversion of wrist-to-hip MVPA resulted in average absolute percent errors ranging from 3.0%-10.0%. We recommend the use of these equations to compare published estimates of MVPA between the wear-site cut-point combinations presented.  相似文献   
909.
Little is known about the association between environmental characteristics and types of physical activity in adolescents in a Latin American context. The aim of this study was to examine the association between perceived neighborhood environmental characteristics and different types of physical activity in 2,874 adolescents from Joao Pessoa, Paraiba State, Northeastern Brazil. The types of activity measured by questionnaire (≥10 min/day) included sports, physical exercises, active commuting and recreational activities. Neighborhood characteristics were measured by a 15-item scale. Multilevel analyses showed that adolescents who reported “having places they liked to go to” (OR = 1.41; 95%CI: 1.10–1.79) and “places with opportunities to practice” (OR = 1.29; 95%CI: 1.01–1.65) were more likely to play sports. “Seeing interesting things while walking” (OR = 1.24; 95%CI: 1.01–1.53) and “Seeing other adolescents engaged in physical activity” (OR = 1.47; 95%CI: 1,05–2,06) were associated with exercises. “Seeing other adolescents engaged in physical activity” (OR = 1.47; 95%CI: 1.18–1.82), “the neighborhood is not violent” (OR = 1.29; 95%CI: 1.04–1.60) and “having places they like to go to” (OR = 1.59; 95%CI: 1.13–2.25) were positively associated and “places with opportunities to practice” (OR = 0.79; 95%CI: 0.63–0.98) inversely related to active commuting. “Seeing other adolescents engaged in physical activities” (OR = 1.31; 95%CI: 1.05–1.63) and “seeing interesting things while walking” (OR = 1.26; 95%CI: 1.02–1.56) were associated with recreational activities. Neighborhood environmental characteristics associated with the physical activity vary with the type of practices adopted by adolescents.  相似文献   
910.
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