Social Norms, Messengers, and Processing Fluency to Increase Hypertension Medication Adherence

"Participants will be mailed a scorecard from Humana reporting patients' medication adherence using a refill score."

Participants will be mailed a dynamic social norms messaging (noting the proportion of Humana members improving their medication refill scores).

Participants will be mailed a scorecard coming from the trusted messenger of a Humana-identified pharmacist taking the same medication.

"Participants will be mailed a modified scorecard increasing processing fluency through a visual metaphor of closing the ring."