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    两种不同类型教学视频的学习效果比较研究 ——视频制作成本的视角

    Comparative Study on Students' Learning Performance of Two Different Teaching Videos: A Perspective from Video Production Cost

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【作      者】:

汪存友,罗慧敏


【关 键 词 】:

教学视频;制作成本;学习效果;认知负荷;学习满意度


【栏      目】:

学习环境与资源


【中文摘要】:

成本是教学视频创作中必须考虑的因素之一。文章设计了教学内容完全相同、制作成本差异显著的两种教学视频:摄录式和录屏式。前者采用演播室摄录和后期编辑制作而成,后者采用PPT讲解和屏幕捕捉制作而成。40名大学生随机分为两组,自主观看任一类型的教学视频,随后完成保持测验、迁移测验、认知负荷自评以及学习满意度测量。统计结果表明:两组被试在各个观测指标上均无显著差异。事后访谈结果表明:两类教学视频各有优缺点。研究表明:高成本制作并不一定能显著改善教学视频的学习成绩和学习体验,文章据此对教学视频创作提出了一些建设性意见。


【英文摘要】:

Cost is one of the factors to be considered in teaching video. Two kinds of teaching videos with the same teaching content and different production cost are designed in the study. One is made of studio recording and post editing and the other is made of PPT presentations and screen captures. 40 undergraduates are randomly divided into two groups and watch any type of teaching video independently, and then complete the retention test, transfer test, and self-assessments of cognitive load and learning satisfaction. Statistical results indicate that there is no significant difference between the two groups. The results of the interview indicate that both videos have advantages and disadvantages; high cost production does not necessarily improve the learning performance and learning experience. Finally, some suggestions about how to create teaching videos are proposed.

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