New Methods for Confusion Detection in Course Forums: Student, Teacher, and Machine
IEEE Transactions on Learning Technologies(2021)
摘要
This article provides computational and rule-based approaches for detecting confusion that is expressed in students' comments in couse forums. To obtain reliable, ground truth data about which posts exhibit student confusion, we designed a decision tree that facilitates the manual labeling of forum posts by experts. However, manual labeling is costly in time and resources, which limits the amount ...
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关键词
Labeling,Machine learning,Manuals,Education,Tools,Software,Reliability
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