Abstract
In an online learning course like MOOC (Massive Open Online Course), peer grading is useful for scaling the grades of assignments to the large number of students. Peer grading is also attractive because it reduces the burden of teachers and gives rich feedback to learners. In Kyushu University, we have a demand for using peer grading in some classes that include a large number of students. However, the discussion about operating peer grading in our university has not been discussed sufficiently. We developed the online peer grading system to cope with the large number of students in the class. Students can upload their assignments, grade others, and receive feedback from other students via the system. We operated it in our university's class in order to verify whether peer grading works well and return accurate scores. In this paper, we verify it with an analysis of the data of user behavior, and also comparison between peer and teacher grading scores. We show questionnaire results. As a result, although there are still issues to improve, we find the validity in peer grading to some extent.
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