Ching-Ying Sung

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Online learning is increasingly prevalent as an option for self-learning and as a resource for instructional design. Prerecorded video is currently the main medium of online education content delivery and instruction; this affords asynchronicity and flexibility, and enables the dissemination of lecture content in a distributed and scalable manner. However,(More)
Online videos are widely used to share content for a variety of entertainment, educational and other purposes. To support social interaction, several video-sharing websites Including Ustream, niconico, and Twitch - allow users to post messages while they are watching videos. As users' comments can be sorted according to the timecode of each video, this is(More)
Questions are an important trigger of learning as well as social interaction, and question asking is a common technique that teachers and practitioners use in classrooms for motivating and engaging students. In the context of online video-based learning such as MOOCs, however, there remains limited understanding around whether questions benefit online(More)
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