Self-tracking consists of recording the behaviors that occur in one’s daily life. Self-tracking studies can provide researchers with passively sensed information about individual’s daily behaviors and environments and actively logged information (e.g., self-reports). This method has great promise for obtaining detailed records of behavior in naturalistic contexts, but it is not known what factors would motivate individuals to participate in self-tracking studies. Here, we analyze students’ interest in self-tracking and their compliance with self-tracking using smartphones. Three dimensions of self-tracking motivations were identified: productivity and health behaviors, well-being and daily activities, and social life on campus; these motivations were related to participation preferences and individual characteristics. We also present evidence from three studies that suggest personalized feedback combined with other incentives (course credit toward a class assignment, monetary compensation, or a prize reward) can be an effective recruitment strategy. Recommendations for the design of future self-tracking studies are presented.
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