Learning Factors Analysis - A General Method for Cognitive Model Evaluation and Improvement.
Is Over Practice Necessary? - Improving Learning Efficiency with the Cognitive Tutor through Educational Data Mining.
Using Item-type Performance Covariance to Improve the Skill Model of an Existing Tutor.
Kenneth R. Koedinger
Brian Junker
Lili Wu
Philip I. Pavlik
Mineração de Dados Educacionais: Oportunidades para o Brasil