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1.
Higher education institutions are trying to provide more flexibility and individualization, which is mainly realized through the use of new technologies and implemented in online or blended learning designs. This systematic review aims to investigate the impact of replacing classroom time with an online learning environment. The meta-analysis (k = 21 effect sizes) applied strict inclusion criteria concerning research design, measurement of learning outcomes and implementation of blended learning. The estimated effect size (Hedge's g) was positive, although not significantly different from zero and the confidence interval [-0.13, 0.25], suggesting that overall differences between blended and conventional classroom learning are small, and, at best, very small negative or moderate positive effects are plausible. This means that despite a reduction in classroom time between 30 and 79 per cent, equivalent learning outcomes were found. Consequently, blended learning with reduced classroom time is not systematically more or less effective than conventional classroom learning. 相似文献
2.
This paper uses a calibrated “pedagogical production function” model to estimate the potential long-term losses to children’s learning from the temporary shock of Covid-19 related school closures. It then models possible gains from two mitigation strategies. Without mitigation, children could lose more than a full year’s worth of learning from a three-month school closure because they will be behind the curriculum when they re-enter school and will fall further behind as time goes on. Remediation when children return to school reduces the long-term learning loss by half, but still leaves children more than half a year behind where they would have been with no shock. Remediation combined with long-term reorientation of curriculum to align with children’s learning levels fully mitigates the long-term learning loss due to the shock and surpasses the learning in the counterfactual of no shock by more than a full year’s worth of learning. Systems need to begin planning now for remediation programmes, and as they do so they should build programmes and train teachers in ways that can continue to produce benefits beyond the period immediately following reopening. 相似文献
3.
朱强 《浙江传媒学院学报》2003,10(4):70-72
校园网络系统在学校的教学和管理工作中发挥着越来越重要的作用,本文从当前Internet/Intranet及MIS系统的发展出发,在比较当前流行的数据存取及信息处理技术基础上,阐述TASP的作用与优点及其在校园网信息处理中的应用。 相似文献
4.
对《体育与健康》课程学习和成绩评定的理论研究 总被引:2,自引:0,他引:2
本文以《体育与健康》新课程为主线,为如何建构体育教育中的学生学习评价和成绩评定体系提出了一些看法和意见。其目的是为了进一步深化体育教学改革,提高体育教学质量,提供理论依据。 相似文献
5.
采用情绪量表 ,考察在运动技能学习过程中情绪变化的状况 ,发现在技能学习的不同阶段 ,情绪有其变化的特征 ,随着学习的不断深入 ,情绪总趋势朝良性方向发展 ,这在一定程度上支持了情绪的动力平衡理论。 相似文献
6.
韩承敏 《苏州市职业大学学报》2003,14(3):15-16
本试图通过分析学习型组织开发与地域化——吴化的必然联系,思考探索重塑传统化,寻求开发苏州学习型组织的有效方法。 相似文献
7.
Measuring Search Engine Quality 总被引:12,自引:3,他引:9
The effectiveness of twenty public search engines is evaluated using TREC-inspired methods and a set of 54 queries taken from real Web search logs. The World Wide Web is taken as the test collection and a combination of crawler and text retrieval system is evaluated. The engines are compared on a range of measures derivable from binary relevance judgments of the first seven live results returned. Statistical testing reveals a significant difference between engines and high intercorrelations between measures. Surprisingly, given the dynamic nature of the Web and the time elapsed, there is also a high correlation between results of this study and a previous study by Gordon and Pathak. For nearly all engines, there is a gradual decline in precision at increasing cutoff after some initial fluctuation. Performance of the engines as a group is found to be inferior to the group of participants in the TREC-8 Large Web task, although the best engines approach the median of those systems. Shortcomings of current Web search evaluation methodology are identified and recommendations are made for future improvements. In particular, the present study and its predecessors deal with queries which are assumed to derive from a need to find a selection of documents relevant to a topic. By contrast, real Web search reflects a range of other information need types which require different judging and different measures. 相似文献
8.
文章简要地分析了教育技术导论课程的特点及其在目前的教学中存在的问题,提出以学习共同体作为学习组织形式开展教学,既可以丰富课堂教学形式,也能通过师生及同伴之间的互动,促进学习者独立思考,逐步建构自己对教育技术的理解。 相似文献
9.
利用三大检索查询收录/引用的方法与技巧 总被引:5,自引:2,他引:3
三大检索工具的各种版本在收录范围、检索性能上各不相同, 著者字段使用方法比较复杂。本文研究了各种版本的差异, 以及具体检索个人文章被收录、引用情况的方法与技巧, 最后介绍其它几种常用于科学评价的检索工具。 相似文献
10.