Design influence on player retention: A method based on time varying survival analysis. - Thibault Allart; Guillaume Levieux; Michel Pierfitte; Agathe Guilloux; Stéphane Natkin (CIG, 2016)

Difficulty influence on motivation over time in video games using survival analysis. - Thibault Allart; Guillaume Levieux; Michel Pierfitte; Agathe Guilloux; Stéphane Natkin (FDG, 2017)