This paper drills deeper into the documented effects of the Cognitive Tutor Algebra I and ASSISTments intelligent tutoring systems by estimating their effects on specific problems. We start by describing a multilevel Rasch-type model that facilitates testing for differences in the effects between problems and precise problem-specific effect…

Poor motivation is commonly cited as a concern when interpreting results from low-stakes standardized tests administered to postsecondary students. This study investigates the associations between test administration procedures and students' self-reported effort and performance on the Collegiate Learning Assessment (CLA), an open-ended test of…