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   175篇
  免费   1篇
教育   128篇
科学研究   5篇
体育   33篇
文化理论   1篇
信息传播   9篇
  2023年   2篇
  2020年   1篇
  2019年   7篇
  2018年   7篇
  2017年   8篇
  2016年   9篇
  2015年   1篇
  2014年   6篇
  2013年   50篇
  2012年   3篇
  2011年   4篇
  2010年   8篇
  2009年   1篇
  2008年   3篇
  2007年   12篇
  2006年   2篇
  2005年   6篇
  2003年   3篇
  2002年   4篇
  2001年   5篇
  2000年   4篇
  1998年   1篇
  1996年   2篇
  1995年   1篇
  1994年   2篇
  1992年   3篇
  1989年   2篇
  1988年   2篇
  1985年   1篇
  1983年   1篇
  1982年   2篇
  1980年   1篇
  1979年   1篇
  1978年   1篇
  1976年   1篇
  1975年   1篇
  1974年   1篇
  1973年   1篇
  1972年   1篇
  1970年   1篇
  1968年   2篇
  1966年   1篇
  1944年   1篇
排序方式: 共有176条查询结果,搜索用时 15 毫秒
21.
Journal of Science Education and Technology - This article proposes a STEM workforce education logic model, tailored to the particular context of the National Science Foundation’s Innovative...  相似文献   
22.
23.
This research focusses on the role of science educators in preparing technically educated graduates for their careers. A comparison was made between the skills and abilities in science and technology students desired by industrial employers and whether New Zealand graduates exhibit these qualities. To address some of the management-based issues identified by the research, the design of a new Science and Technology Management course is outlined. Specializations: science and technology education, co-operative education, development of professional skills. Specializations: co-operative education programmes.  相似文献   
24.
25.
This study examines the process of change among grade 4 teachers (students aged 9–10 years) who participated in a yearlong Teacher Quality Grant innovation program. The concerns-based adoption model (CBAM), which informed the design and implementation of the program, was used to examine the process of change. Two questions guided the investigation: (1) How did teachers’ concerns about and levels of use of the innovation evolve during the course of the project? (2) What changes in teachers’ perceptions and practices arose as a result of the innovation? Results showed that several of the teachers’ concerns evolved from self/task toward impact. With continued support, several participants achieved routine levels of use, which they sustained beyond the project.  相似文献   
26.
Poor instruction has been cited as a primary cause of attrition from STEM majors and a major obstacle to learning for those who stay [Seymour and Hewitt [1997]. Talking about leaving: Why undergraduates leave the sciences. Boulder, CO: Westview]. Using a double‐blind design, this study tests the hypothesis that the lack of explicit instructions in scientific inquiry skills is a major factor in both low STEM retention and academic underperformance. This project delivered supplemental instruction to students in a laboratory‐based undergraduate biology course (n = 314) that was derived either from cognitive task analyses (CTAs) conducted with expert biologists (treatment) or was authored and delivered by an award‐winning biology instructor (control). Students receiving traditional instruction were almost six times more likely to withdraw from the course than students in the treatment condition (8.1% vs. 1.4% of initial enrollment). Of the students who completed the course, those who received the CTA‐based instruction demonstrated significantly higher levels of performance in the discussion section of their written laboratory reports. Significantly higher performances were seen specifically in the areas of analyzing data to formulate valid conclusions, considering alternative explanations, consideration for the limitations of the experimental design and implications of the research. © 2010 Wiley Periodicals, Inc. J Res Sci Teach 47: 1165–1185, 2010  相似文献   
27.
Abstract

We compared cardiorespiratory responses to exercise on an underwater treadmill (UTM) and land treadmill (LTM) and derived an equation to estimate oxygen consumption (VO2) during UTM exercise. Fifty-five men and women completed one LTM and five UTM exercise sessions on separate days. The UTM sessions consisted of chest-deep immersion, with 0, 25, 50, 75, and 100% water-jet resistance. All session treadmill velocities increased every 3 min from 53.6 to 187.8 m·min-1. Cardiorespiratory responses were similar between LTM and UTM when jet resistance for UTM was ≥ 50%. Using multiple regression analysis, weight-relative VO2 could be estimated as: VO2 (mLO2·kg-1·min-1) = 0.19248 · height (cm) + 0.17422 · jet resistance (% max) + 0.14092 · velocity (m·min-1) - 0.12794 · weight (kg) - 27.82849, R2= .82. Our data indicate that similar LTM and UTM cardiorespiratory responses are achievable, and we provide a reasonable estimate of UTM VO2.  相似文献   
28.
29.
30.
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