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   335篇
  免费   14篇
教育   256篇
科学研究   19篇
各国文化   5篇
体育   16篇
文化理论   1篇
信息传播   52篇
  2023年   2篇
  2022年   3篇
  2021年   3篇
  2020年   9篇
  2019年   9篇
  2018年   8篇
  2017年   13篇
  2016年   5篇
  2015年   6篇
  2014年   2篇
  2013年   96篇
  2012年   12篇
  2011年   12篇
  2010年   10篇
  2009年   5篇
  2008年   7篇
  2007年   10篇
  2006年   9篇
  2005年   12篇
  2004年   10篇
  2003年   5篇
  2002年   4篇
  2001年   3篇
  2000年   5篇
  1997年   5篇
  1996年   4篇
  1995年   4篇
  1994年   6篇
  1992年   5篇
  1991年   10篇
  1990年   2篇
  1989年   6篇
  1988年   2篇
  1987年   3篇
  1986年   3篇
  1985年   4篇
  1984年   3篇
  1983年   2篇
  1982年   2篇
  1980年   3篇
  1979年   3篇
  1978年   3篇
  1977年   3篇
  1976年   2篇
  1973年   1篇
  1970年   1篇
  1969年   2篇
  1945年   1篇
  1895年   1篇
  1882年   3篇
排序方式: 共有349条查询结果,搜索用时 484 毫秒
81.
82.
This article describes the development and utilization of an instructional activity created by the authors for the purposes of preparing social work students for culturally competent practice with members of historically oppressed populations. Experiential activities in the classroom provide an alternative approach to traditional pedagogical methods by positioning the learner at the center of an educational process that is grounded in reality. The activity is designed to highlight the social privileges of individuals and the inherent risks that are taken when deciding to challenge or confront oppressive structures, attitudes, and behaviors.  相似文献   
83.
Reform based curriculum offer a promising avenue to support greater student achievement in science. Yet teachers frequently adapt innovative curriculum when they use them in their own classrooms. In this study, we examine how 19 teachers adapted an inquiry‐oriented middle school science curriculum. Specifically, we investigate how teachers' curricular adaptations (amount of time, level of completion, and activity structures), teacher self‐efficacy (teacher comfort and student understanding), and teacher experience enacting the unit influenced student learning. Data sources included curriculum surveys, videotape observations of focal teachers, and pre‐ and post‐tests from 1,234 students. Our analyses using hierarchical linear modeling found that 38% of the variance in student gain scores occurred between teachers. Two variables significantly predicted student learning: teacher experience and activity structure. Teachers who had previously taught the inquiry‐oriented curriculum had greater student gains. For activity structure, students who completed investigations themselves had greater learning gains compared to students in classrooms who observed their teacher completing the investigations as demonstrations. These findings suggest that it can take time for teachers to effectively use innovative science curriculum. Furthermore, this study provides evidence for the importance of having students actively engaging in inquiry investigations to develop understandings of key science concepts. © 2010 Wiley Periodicals, Inc., J Res Sci Teach 48: 149–169, 2011  相似文献   
84.
On belief-desire reasoning tasks, children first pass tasks involving true belief before those involving false belief, and tasks involving positive desire before those involving negative desire. The current study examined belief-desire reasoning in participants old enough to pass all such tasks. Eighty-three 6- to 11-year-olds and 20 adult participants completed simple, computer-based tests of belief-desire reasoning, which recorded response times as well as error rates. Both measures suggested that, like young children, older children and adults find it more difficult to reason about false belief and negative desires than true beliefs and positive desires. It is argued that this developmental continuity is most consistent with either executive competence or executive performance accounts of the development of belief-desire reasoning.  相似文献   
85.
Effects of early child care on children's functioning from 4(1/2) years through the end of 6th grade (M age=12.0 years) were examined in the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development (n=1,364). The results indicated that although parenting was a stronger and more consistent predictor of children's development than early child-care experience, higher quality care predicted higher vocabulary scores and more exposure to center care predicted more teacher-reported externalizing problems. Discussion focuses on mechanisms responsible for these effects, the potential collective consequences of small child-care effects, and the importance of the ongoing follow-up at age 15.  相似文献   
86.
A common belief in the golf community is that a lighter shaft allows the golfer to swing the club faster. From a mechanical point of view, reducing the mass of the shaft would result in a faster swing. However, a golfer is not a purely mechanical system, and so it is simplistic to assume that identical loads will be applied when swinging different clubs. Therefore, the purpose of this study was to test the hypothesis that golfers behave similar to a mechanical model when swinging clubs of varying mass. A torque driven model estimated the effects caused by the addition of 22?g to the shaft. Twelve golfers hit balls with a standard driver as well as a driver fitted with the same 22?g increase in mass. Club kinematics were collected with a high-speed motion capture system. The model predicted a 1.7?% lower club head speed for the club with additional mass. One subject showed a similar reduction (1.4?%), but one subject showed an increase in club head speed by 3.0?%. Ten subjects did not show any significant differences. These results suggest that golfers do not respond to changes in club mass in a mechanically predictable way.  相似文献   
87.
The role of shaft stiffness on the golf swing is not well understood. Studies in which golfers hit balls with clubs of varying shaft flex have reported changes in ball distance. The results of mathematical models suggest that shaft stiffness affects only the orientation of the clubhead at impact, not the speed of the clubhead, but there are no experimental results validating these findings. The purpose of this study was therefore to experimentally examine the influence of shaft stiffness on clubhead kinematics at ball impact. Forty golfers hit 10 balls with each of five drivers varying in shaft stiffness from 'Ladies' to 'Extra-Stiff', in a double-blind study design. The motions of three reflective markers attached to the clubhead were captured with a high-speed motion analysis system. At ball impact, shaft stiffness had a statistically significant influence on clubhead speed for 27 subjects, on loft angle for 11 subjects, and on lie angle for all 40 subjects. No effect was observed on face angle, in to out path angle, or attack angle. These results show that shaft stiffness can affect ball launch conditions by altering clubhead speed and/or loft angle.  相似文献   
88.
An important criticism of high-stakes testing policies – policies that reward or sanction schools based on their students’ performance on standardized tests – is that they provide schools with an incentive to focus on those subjects that play a role in the accountability system while decreasing attention to those subjects that are not part of the program. This paper utilizes a regression discontinuity design to evaluate the impact of Florida's high-stakes testing policy on student proficiency in the low-stakes subject of science. We confirm prior results that students in schools facing more immediate sanctions under the policy made substantial gains in the high-stakes subjects of math and reading. Contrary to the crowding-out hypothesis, we find that students in these schools made substantial achievement gains in the low-stakes subject of science as well.  相似文献   
89.
90.
The records of 137 students for whom complete data files were available were examined in order to determine the extent to which pre-assessment data (teacher referral information and standardized reading test scores) could successfully be used to predict the handicapping classifications decided on by child-study teams. We were specifically interested in the predictive power of pre-assessment information above and beyond that provided by handicapped children's race and gender. Results of our analyses indicated that pre-assessment data can successfully predict the handicapped classifications of the majority of special education students, as well as differentiate students who are found eligible for special education from those found to be ineligible.  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