Same Breath, Different Device: Comparing VR and Smartphone Biofeedback Breathing Training. - Lola Jo Ackermann; Helen Galliker; Yanick X. Lukic; Tobias Kowatsch (CHI Extended Abstracts, 2026)

The Impact of a Reward-and-Progression Loop on Engagement with a Mobile Breathing Training: Preliminary Findings from a 15-day Field Study. - Lola Jo Ackermann; Sarah Wehrli; Helen Galliker; Johannes Schöning; Tobias Kowatsch (CHI Extended Abstracts, 2026)