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Download full textSales, Adam; Prihar, Ethan; Heffernan, Neil; Pane, John F. – International Educational Data Mining Society, 2021
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…
Descriptors: Intelligent Tutoring Systems, Academic Achievement, Educational Technology, Algebra
