Construction of Student Model for Support System on Program Understanding

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We have been developing a support environment for begiinners to learn programming methods. When students learn programming, there are difference in understanding degrees of students. Then the supporting of learning must carry out in proportion to understanding degrees of learner. On this research, we studied about student model who showed understanding degrees of learner. The insufficiency of understanding is revealed as bug of a program which made. We checked a program and analyzed bugs included in the program. The model of bug was defined on the basis of relation of the bug and compile-massage. We inspected bug model to check whether a model was appropriate. Student model is constructed by using both model of the contents of learning and bug model. The model of the contents of earning is based on education content of programming. After this, we will construct intelligent CAI which reason knowledge that learner mistook.