Ferguson, C.* and Lewis, R.*, Wilks, C., Picard, R.W.; The Guardians: Designing a Game for Long-term Engagement with Mental Health Therapy; IEEE Conference of Games 2021 *Joint first authors
Robert Lewis, Yuanbo Liu, Matthew Groh and Rosalind Picard, "Habit Formation Dynamics: Finding Factors Associated with Building Strong Mindfulness Habits" HCI International 2021
R. Lewis, A. Ghandeharioun, S. Fedor, P. Pedrelli, R.W. Picard, D. Mischoulon, "Mixed Effects Random Forests for Personalised Predictions of Clinical Depression Severity", ICML 2021 Computational Approaches to Mental Health workshop
Lewis, Robert, et al. "Shaping Habit Formation Insights with Shapley Values: Towards an Explainable AI-system for Self-understanding and Health Behavior Change." CHI 2021 Workshop Paper. Realizing AI in Healthcare: Challenges Appearing in the Wild.