Adaptive instructional systems: second International Conference, AIS 2020, held a… by AIS (Conference : 2019- ), Online), Sottilare, Robert, Schwarz, Jessica,, Diplom-Psychologin, International Conference on Human-Computer Interaction, Online) fromLecture Notes in Computer Science 0 Type: Book Chapter "Exploring Video Engagement in an Intelligent Tutoring System" is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.