Learning Logical Reasoning : Improving the Student Model with a Data Driven Approach.

In our previous works, we presented Logic-Muse as an Intelligent Tutoring System that helps learners improve logical reasoning skills in multiple contexts. Logic-Muse components were validated and argued by experts throughout the designing process (ITS researchers, logicians and reasoning psychologists). A Bayesian network with expert validation has been developed and used in a Bayesian Knowledge Tracing (BKT) process that allows the inference of the learner’s behaviour. This paper presents an evaluation of the learner components of Logic-Muse. We conducted a study and collected data from nearly 300 students who processed 48 reasoning activities. This data was used in the development a psychometric model, a key element for initializing the learner’s model and for validating and improve the structure of the initial Bayesian network built with experts.