he results of their study were published today (Oct. 7) in Health Psychology.

"One of the really exciting advances of the last 15 years has been the advent of wearable and portable consumer technology that can be used to help promote physical activity," said David Conroy, professor of kinesiology and human development and family studies, and co-principal investigator on the paper. "You can get real-time feedback from these devices and monitor your goals, and you can even push people messages, depending on what their goals are and what their behavior is. We know that those messages work well for improving behavior on average. But nobody is average, and we don't know how to make sure each individual consistently gets the greatest benefit from a limited number of messages."

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