Does Help Help? Introducing the Bayesian Evaluation and Assessment Methodology.

Joseph E. Beck Kai-min Chang Jack Mostow Albert T. Corbett Does Help Help? Introducing the Bayesian Evaluation and Assessment Methodology. 383-394 2008 Intelligent Tutoring Systems http://dx.doi.org/10.1007/978-3-540-69132-7_42 conf/its/2008 db/conf/its/its2008.html#BeckCMC08