This paper describes a program tutoring text model which is an improved version of multi-layers network authoring-text model. Our model focuses on a flexible ability to analyze various kinds of algorithms or different program descriptions, which axe coded by students in accordance with a given exercise, aud a systematic ability to reuse the existing exercises compositively, using the prepared solutions when a given exercise can be partly solved. To achieve these objectives, we introduce a relationship ISA-link between the learning items when one leaxning item can be produced successively from another. And, we use a relationship REF-link with a view to representing that one procedure item is composed of other exercise items collectively. Also, we refer to how the diagnosis strategies are constructed by means of relationships ISA-link and REF-link according to students’ errors.
CITATION STYLE
Ohnuma, H., & Watanabe, T. (1996). The program tutoring text model. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1086, pp. 411–419). Springer Verlag. https://doi.org/10.1007/3-540-61327-7_139
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