Facilitating flexible learning by replacing classroom time with an online learning environment: A systematic review of blended learning in higher education     

《Educational Research Review》2021

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   

对光纤环路接入网接口数字滤波器的改良     

吴炯  黄佩伟  李月莲 《实验室研究与探索》2004,23(11):43-46

介绍了在高级准同步数字体系(APDH)中的2MB s接口的数字环路滤波器的改良方案。此方案让原本在小型局域网中占领不小市场的APDH光线环路数据传输交换系统的总体性能有了一定程度的提高。此方案同样也适用于APDH中的其它接口模块。  相似文献   

基于单片机的双机串行通信设计     

刘婷婷  崔正平 《安徽职业技术学院学报》2004,3(4):10-12

文章阐述了一种采用 RS— 2 3 2标准通信接口实现双机串行通信的设计方法 ,介绍了 Motorola公司提供的通用电平转换芯片 MC1 488和 MC1 489的使用方法。  相似文献   

微机高精度计时的实现及C语言编程     

袁志勇 《武汉体育学院学报》1996,(1)

本文提供两种微机高精度计时的实现方法，这些方法均成功地应用在作者参与的有关课题研究之中。  相似文献   

Interactivity and multimedia interfaces     

KIRSH  DAVID 《Instructional Science》1997,25(2):79-96

Multimedia technology offers instructional designers an unprecedented opportunity to create richly interactive learning environments. With greater design freedom comes complexity. The standard answer to the problems of too much choice, disorientation, and complex navigation is thought to lie in the way we design the interactivity in a system. Unfortunately, the theory of interactivity is at an early stage of development. After critiquing the decision cycle model of interaction – the received theory in human computer interaction – I present arguments and observational data to show that humans have several ways of interacting with their environments which resist accommodation in the decision cycle model. These additional ways of interacting include: preparing the environment, maintaining the environment, and reshaping the cognitive congeniality of the environment. Understanding how these actions simplify the computational complexity of our mental processes is the first step in designing the right sort of resources and scaffolding necessary for tractable learner controlled learning environments.  相似文献   

网络资源界面整合和AGENT界面实现探讨   总被引：11，自引：0，他引：11  

金更达 《大学图书馆学报》2002,20(1):30-34

网络资源的多样性和异地性,影响了用户对网络资源的有效利用,文章探讨了网络资源界面整合的策略和实现方法及智能型Agent界面的设计思想和实现方法。  相似文献   

结合学生实际进行教学增强思政课教学的实效性     

安掌明 《柳州职业技术学院学报》2007,7(4)

从高校思想政治理论课的性质与特点出发,对如何结合大学生的思想状况和心理特点、学生认知和接受马克思主义理论的特点和规律来开展教学活动,以增强思想政治理论课教学的实效性,促进大学生的全面发展,作了初步的探讨.  相似文献   

跳发球在女子排球比赛中的运用效果研究   总被引：9，自引：2，他引：7  

钟雯 《中国体育科技》2002,38(5):22-23

以参加 2 0 0 1年“步步高无绳电话杯”全国女子排球联赛中的 8支队伍为研究对象 ,从跳发球与站立发球运用数量的百分比、在比赛中的贡献率、2种技术的运用效果差异、个人跳发球效果差异等方面进行研究和讨论 ,建议女子排球运动员在比赛中使用跳发球技术应因人而异、注重实效、合理运用  相似文献   

科技期刊编辑加工工作的有效性管理     

杨波  程建霞  赵丽莹  王小唯 《编辑学报》2008,20(6):524-525

针对编辑加工存在的问题,从管理的有效性角度出发,分析目前编辑加工工作评价方式中存在的问题,讨论公正、准确评价编辑加工工作的必要性.认为编辑加工工作应当实行有效性管理,加强编辑部的制度化建设,创造积极向上的工作氛围,对隐含在编辑加工工作中的隐性劳动给予充分肯定,并提出了具体建议.  相似文献   

基于数字图书馆的生物数据库统一接口设计     

任辉 《图书馆学研究》2008,(7)

为了提供最大限度的数据库互操作性,本文通过整合异质数据库的统一接口,为异构数据库和不同的数据库管理系统之间的互操作带来方便。以实现数字图书馆用户更有效地进行生物信息数据的检索与获取、综合与分析。  相似文献