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“Objects-first ” is an increasingly popular strategy for teaching object-oriented programming by introducing the concepts of objects, classes, and instances before procedural elements of a programming language. Learning object-oriented design and programming is a challenging task for many beginning students. We represent CIMEL ITS, which is an intelligent tutoring system that provides one-on-one tutoring to help beginners learn object-oriented analysis and design, using elements of UML before implementing any code. We also present a three-layered Student Model which supports adaptive tutoring by inferring the problem-specific knowledge state from student solutions, the historical knowledge state of the student and cognitive reasons about why the student makes an error. 1.
Fang et al. (Sun,) studied this question.
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