An Attempt to Diagnose Learners' Understanding Levels Considering Confidence

Michihiro Namba


Understanding levels, Confidence, Self Organization Map


Intelligent Tutoring Systems require a high diagnosis capability of learners' understanding levels. ``Confidence" which is subjective and fuzzy data can be expected for improvement of the diagnosis ability, but the utilization is not easy. This paper describes a diagnosis method with confidence, which uses Self Organization Map(SOM). The demonstration results showed usefulness of using confidence in estimating understanding level.

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