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电大是一所进行远距离教育的成人高等学校,学生与教师(包括主讲教师、主持教师及其它课程设计人员)在空间上,时间上处于分离状态是其基本特征之一。为了解决教学信息的传送和反馈,确保教学目标的实现,电大借助了广播,心视等现代化手段,使用了文字教材、视听教材,面授辅导等多种教学媒体。通过十多年来的实践,取得了不少成绩,也积累了不少经验。但是,应当看到,在媒体的选择和分配,设计与制作以及评估等领域尚有许多有待解决的问题,为此,本文试图从多种媒体教学机制的分析出发,针对近年来媒体综合使用率低的现象,提出媒体优化组合的设
As a long-distance adult education institution, students and teachers (including lecturers, moderators and other course designers) are separated from each other in space and time. In order to solve the transmission and feedback of teaching information and ensure the realization of teaching objectives, TVU has used various teaching media such as textbooks, audio-visual teaching materials and face-to-face instruction with the aid of modern means of broadcasting and mindset. Through more than a decade of practice, many achievements have been made and a great deal of experience has accumulated. However, it should be noted that there are still many problems to be solved in the field of media selection and distribution, design and production as well as evaluation. For this reason, this article attempts to start from the analysis of a variety of media teaching mechanisms, in view of the comprehensive utilization of media in recent years Low phenomenon, put forward the optimal combination of media set