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   240篇
  免费   8篇
教育   172篇
科学研究   49篇
体育   6篇
文化理论   1篇
信息传播   20篇
  2023年   4篇
  2021年   2篇
  2020年   8篇
  2019年   8篇
  2018年   8篇
  2017年   17篇
  2016年   7篇
  2015年   4篇
  2014年   4篇
  2013年   50篇
  2012年   4篇
  2011年   6篇
  2010年   9篇
  2009年   4篇
  2008年   6篇
  2007年   5篇
  2006年   4篇
  2005年   4篇
  2004年   6篇
  2003年   9篇
  2002年   12篇
  2001年   7篇
  2000年   4篇
  1999年   6篇
  1997年   2篇
  1996年   2篇
  1995年   2篇
  1993年   2篇
  1991年   2篇
  1988年   2篇
  1985年   3篇
  1983年   2篇
  1980年   1篇
  1979年   2篇
  1978年   1篇
  1975年   1篇
  1974年   1篇
  1973年   4篇
  1972年   1篇
  1970年   1篇
  1968年   2篇
  1966年   2篇
  1964年   1篇
  1925年   1篇
  1923年   1篇
  1922年   2篇
  1920年   1篇
  1899年   1篇
  1897年   2篇
  1850年   1篇
排序方式: 共有248条查询结果,搜索用时 15 毫秒
1.
2.
Misconceptions about climate change science are pervasive among the US public. This study investigated the possibility that these misconceptions may be reflective of science teachers’ knowledge and teaching of climate change science. Florida and Puerto Rico secondary science teachers who claim to teach extensively about climate change were surveyed in regard to their conceptions of climate change science and the climate change-related topics they teach. Results show that many teachers hold naïve views about climate change (e.g. that ozone layer depletion is a primary cause of climate change) and climate change science (e.g. that it must be based on controlled experiments for it to be valid). In addition, teachers in both groups neglect crucial topics such as how evidence for climate change is developed and the social, political, and economic dimensions of climate change. Our results suggest the need for teachers to understand how to teach climate change and the nature of climate change science using authentic contexts that promote effective socioscientific decision-making and climate change mitigation.  相似文献   
3.
Interference in auditory short-term memory in the bottlenosed dolphin,Tursiops truncatus (Montagu), was studied using a delayed matching-to-sample task. At each trial, one of two sample sounds, chosen randomly, was projected underwater for 4 sec and then, after a variable delay interval, both sounds were presented. A response to the sound matching the initial sample was reinforced. Correct matching was significantly reduced following short intervals between trials in combination with long delays after the sample (proactive interference), or when a near continuous irrelevant sound was inserted into the delay interval (retroactive interference). There was rapid habituation to interference if the irrelevant sound was short in duration relative to the delay interval. For both proactive and retroactive interference, the errors were predominantly responses to the sample sound appropriate to the prior trial rather than to the current trial, indicating that memory for the relative recency of events (temporal memory) was degraded by interference. When interference was deleted or minimized, temporal memory remained nearly perfect over 30-sec delay intervals, the longest tested. The importance of distinguishing between temporal memory and nontemporal, or event, memory in different forms of the delayed matching task was emphasized.  相似文献   
4.
2 studies were conducted to investigate developmental differences in the ability to select and use environmental landmarks for cognitively organizing distance information from a walk. In experiment 1, second-grade, fifth-grade, and college subjects viewed a simulated walk and selected scenes that were high in potential landmark value. In experiment 2, children from the same grade levels first viewed the walk and then ranked distances among either the test scenes most frequently selected by their peers or those selected most frequently by adults. Results indicated that (a) adults and children may not spontaneously select the same features as real-world landmarks; (b) children are less capable than adults in judging the value of potential landmarks as distance cues; and (c) the ability to use environmental landmarks as cues for distance information developmentally precedes the ability to assess this potential information value.  相似文献   
5.
6.
7.
Introduction     
Joseph Herman 《Prospects》1973,3(4):465-468
  相似文献   
8.
9.
This paper adds to current discourses around employability by arguing for an explicit recognition of gender, in particular in relation to women’s employment in male-dominated sectors such as science, engineering and technology. This is not limited to young first-time graduates but continues and evolves throughout the life course. Mature women students, who are returning after career breaks, face a number of barriers in re-entering such employment sectors. Drawing on data from a longitudinal study of women graduates in science, technology, engineering or mathematics, who participated in a UK government-funded online programme aimed at supporting them to return to work, the paper examines three gendered factors identified as being of particular influence on outcomes – gender role normativity, locality and mobility, and structural and institutional barriers. The paper concludes by identifying strategies deployed by those that successfully returned to employment, including retraining, networking and doing unpaid or low-paid work.  相似文献   
10.
Science & Education - Like all SSI, the COVID-19 pandemic requires decisions that are contentious, involve scientific thinking, and vary across social groups. This investigation determined how...  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