온라인 교육서비스 경험 데이터의 시각화 방안 - MOOC 동영상 강좌의 학습 경험을 중심으로 -

Abstract

Background Progress of data communication technology has brought about a revolution in the field of teaching and learning, reforming the traditional education paradigm. Particularly, the diffusion of OCW enabled the quantitative expansion and accessibility of higher education content, but there are little studies in the aspect of learner's experience. This study tries to seek improving learning effect through visualization data of learning experience in OCW. Methods As a pilot study to collect learning experience data, it reviewed the preceding researches about the paradigm shift in education and the present situation of online education service and the problem of domestic cases. Users of video course which is most popular in online, were interviewed intensively, getting their behavior and hidden functional needs. To simulate the alternative service, participants were guided to watch the appointed video and record their learning experience. Result Learning experience data were difficulty, achievement, keyword, memo etc. which could arise in a certain time of video course. Participants recorded the level of difficulty and achievement, and wrote keywords in each bookmarked time. Frequency of bookmark in a particular point which learners could regard as hot issue in common, was used as importance index. The level of difficulty and achievement could be visualized as color spectrum, and the keywords as tag cloud, in accordance with video timeline. Conclusion This study shows the possibility and usefulness that learning experience data could be visualized, making better use of video course which is most common type in online education service. It can be put meaning as a pilot study for developing a education service platform, enhancing the accessibility and learning effect of video course.