Is a Change as Good as a Rest? Comparing BreakTypes for Spaced Practice in a Platformer Game. - Brandon Piller; Colby Johanson; Cody J. Phillips 002; Carl Gutwin; Regan L. Mandryk (CHI PLAY, 2020)

Predicting Beliefs from NPC Dialogues. - Jason T. Bowey; Julian Frommel; Brandon Piller; Regan L. Mandryk (CoG, 2021)

If at First You Don't Succeed: Helping Players Make Progress in Games with Breaks and Checkpoints. - Colby Johanson; Brandon Piller; Carl Gutwin; Regan L. Mandryk (Proc. ACM Hum. Comput. Interact., 2023)