Predicting fraction and algebra achievements online: A large-scale longitudinal study using data from an online learning environment. - Markus Wolfgang Hermann Spitzer; Korbinian Moeller (J. Comput. Assist. Learn., 2022)

Usage and performance declines in a classroom-integrated digital learning software over the course of an academic year. - Markus Wolfgang Hermann Spitzer; Lisa Bardach; Younes Strittmatter; Korbinian Moeller (LAK, 2025)

A Psychological Network Analysis to Examine Interdependencies Between Fraction and Algebra Subtopics in an Intelligent Tutoring System. - Markus Wolfgang Hermann Spitzer; Lisa Bardach; Eileen Richter; Younes Strittmatter; Korbinian Moeller (J. Comput. Assist. Learn., 2025)

Basic mathematical skills and fraction understanding predict percentage understanding: Evidence from an intelligent tutoring system. - Markus Wolfgang Hermann Spitzer; Miguel Ruiz-Garcia; Korbinian Moeller (Br. J. Educ. Technol., 2025)