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Evaluating PEARL - a Personalized Exercise Assistant Using Reinforcement Learning (Walkmate Study)
Sponsor: Fitbit LLC
Summary
To evaluate the impact of two personalized nudging strategies delivered as pop-up notifications via the Fitbit app on user step count. Specifically, to personalize the following parameters of the pop-up notification system: message content, and timing (hr of the day).
Key Details
Gender
All
Age Range
22 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
13463
Start Date
2024-02-26
Completion Date
2024-08-26
Last Updated
2026-08-25
Healthy Volunteers
Yes
Conditions
Interventions
Mobile App Push Notification (Random Selection)
Participants use Fitbit devices, with the addition of randomly deployed nudge interventions (random timing and theme).
Mobile App Push Notification (Behavior Science Heuristics)
Participants use Fitbit devices, with the addition of nudges deployed based on behavior science heuristics.
Mobile App Push Notification (RL)
Participants use Fitbit devices, with the addition of nudges deployed based on a reinforcement learning algorithm.
Locations (1)
Google Office (Digital Study)
Mountain View, California, United States