Intelligent tutors have become increasingly accurate at detecting whether a student knows a skill, or knowledge component (KC), at a given time. However, current student models do not tell us exactly at which point a KC is learned. In this paper, we present a machine-learned model that assesses the probability that a student learned a KC at a…

Background: While a significant body of research has addressed teachers' evaluations of mainstream English speaking students, there is a dearth of such research focusing on immigrant adolescents. As many immigrant students are in the process of acquiring English language proficiency, evaluating and assigning grades to immigrant youth can pose…