The use of media within online university courses has been shown to aid the learning process with the delivery of information through various formats. However, issues that inhibit learning have been found when media are used inappropriately. Based on an examination of extant media research, this study arranges common media delivery problems into five main categories: pace, intelligibility, quality, media diversity, and congruence. Students taking online courses were asked to comment on the media used in their classes. Each of their comments was paired with one of the five categories with justification provided for the categorizations. Through analysis of these learner comments, this study examines the extent to which media delivery problems occur among a specific sample of online university learners in South Korea. The underlying pedagogy that explains the issues caused by inadequate delivery of media is also discussed, followed by recommended solutions that can address such pedagogical concerns. The results not only highlight existing solutions to these types of media problems but also build on them by suggesting other techniques in which media can be delivered so that the overall online learning experience may be enhanced.

中文翻译：

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改进在线视频讲座：媒体带来的学习挑战

在在线大学课程中使用媒体已被证明可以通过各种格式传递信息来帮助学习过程。然而，当媒体使用不当时，就会发现阻碍学习的问题。基于对现有媒体研究的考察，本研究将常见的媒体传递问题分为五个主要类别：节奏、可理解性、质量、媒体多样性和一致性。参加在线课程的学生被要求对课堂上使用的媒体发表评论。他们的每条评论都与五个类别之一配对，并为分类提供了理由。通过对这些学习者评论的分析，本研究调查了韩国特定在线大学学习者样本中媒体传递问题发生的程度。还讨论了解释由媒体传递不足引起的问题的基本教学法，然后是可以解决此类教学问题的推荐解决方案。结果不仅突出了这些类型媒体问题的现有解决方案，而且还通过提出其他可以提供媒体的技术来建立这些解决方案，从而可以增强整体在线学习体验。