Learning Factors Analysis - A General Method for Cognitive Model Evaluation and Improvement

@inproceedings{Cen2006LearningFA,
  title={Learning Factors Analysis - A General Method for Cognitive Model Evaluation and Improvement},
  author={Hao Cen and Kenneth R. Koedinger and Brian Junker},
  booktitle={Intelligent Tutoring Systems},
  year={2006}
}
A cognitive model is a set of production rules or skills encoded in intelligent tutors to model how students solve problems. It is usually generated by brainstorming and iterative refinement between subject experts, cognitive scientists and programmers. In this paper we propose a semi-automated method for improving a cognitive model called Learning Factors Analysis that combines a statistical model, human expertise and a combinatorial search. We use this method to evaluate an existing cognitive… CONTINUE READING
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