Use commitment devices to increase vaccination rates

Use a commitment device, such as a calendar, to make a commitment to a date and time for receiving a vaccination.

Behavioral Tools: Reminders, Planning Prompt

Benchmarked Intervention

Experiment Overview

Employees of a utility company in the US were divided into 2 treatment groups and a control. The treatment groups received a postcard about available workplace flu shots and were prompted to either write down the time and date they plan to receive the vaccination or just write down the date.

Impact

Source: Milkman, K. L., Beshears, J., Choi, J. J., Laibson, D., & Madrian, B. C. (2011). Using implementation intentions prompts to enhance influenza vaccination rates. Proceedings of the National Academy of Sciences, 108(26), 10415-10420. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3127912/pdf/pnas.201103170.pdf