Abstract
Error-based Simulation (EBS) is a framework for assisting a learner to become aware of his errors. It makes a simulation based on his erroneous hypothesis to show what unreasonable phenomena would occur if his hypothesis were correct , which has been proved effective as counterexamples to cause cognitive conflict. In making EBS, it is necessary (1) to make a simulation by dealing with a set of inconsistent constraints because erroneous hypotheses often contradict the correct knowledge, and (2) to estimate the 'unreasonableness' of phenomena in a simulation because it must be recognized as 'unreasonable.' We previously proposed a technique (called 'Partial Constraint Analysis (PCA)') for making EBS based on any inconsistent simultaneous equations, and a set of domain-independent heuristics to estimate the 'unreasonableness' of physical phenomena. In this paper, we describe a prototype EBS-system implemented by using these, and show the results of preliminary test which verified the usefulness of our method.
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