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On Predicting Learning Styles in Conversational Intelligent Tutoring Systems using Fuzzy Classification Trees

Crockett, K and Latham, A and Mclean, D and Bandar, Z and O'Shea, J (2011) On Predicting Learning Styles in Conversational Intelligent Tutoring Systems using Fuzzy Classification Trees. In: IEEE International Conference on Fuzzy Systems (FUZZ 2011).

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Abstract

Oscar is a conversational intelligent tutoring system (CITS) which dynamically predicts and adapts to a student's learning style throughout the tutoring conversation. Oscar aims to mimic a human tutor to improve the effectiveness of the learning experience by leading a natural language tutorial and adapting material to suit an individual's learning style. Prediction of learning style is undertaken through capturing independent variables during the conversation. The variable with the highest value determines the individuals learning style. This paper proposes a new method which uses a fuzzy classification tree to build a fuzzy predictive model using these variables which are captured through natural language dialogue Experiments have been undertaken on two of the learning style dimensions: perception (sensory-intuitive) and understanding (sequential-global). Early results show the model has substantially increased the predictive accuracy of the Oscar CITS and discovered some interesting relationships amongst these variables.

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