Just-in-Time Prompts for Running, Walking, and Performing Strength Exercises in the Built Environment: 4-Week Randomized Feasibility Study.
Karlijn SporrelShihan WangDick D F EttemaNicky NibbelingBen J A KroseMarije DeutekomRémi D D de BoerMonique SimonsPublished in: JMIR formative research (2022)
The preliminary findings suggest that the PAUL apps are promising and innovative interventions for promoting PA. Users perceived the strength exercise prompts as a valuable addition to exercise apps. However, to be a feasible intervention, the app must be more stable.