Use of In-Game Rewards to Motivate Daily Self-Report Compliance: Randomized Controlled Trial.
Sara TaylorCraig FergusonFengjiao PengMagdalena SchoeneichRosalind W PicardPublished in: Journal of medical Internet research (2019)
ClinicalTrials.gov NCT03738254; http://clinicaltrials.gov/ct2/show/NCT03738254 (Archived by WebCite at http://www.webcitation.org/74T1p8u52).