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Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates

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Listed:
  • Milkman, Katherine L.
  • Beshears, John
  • Choi, James J.
  • Laibson, David I.
  • Madrian, Brigitte

Abstract

We evaluate the results of a field experiment designed to measure the effect of prompts to form implementation intentions on realized behavioral outcomes. The outcome of interest is influenza vaccination receipt at free on-site clinics offered by a large firm to its employees. All employees eligible for study participation received reminder mailings that listed the times and locations of the relevant vaccination clinics. Mailings to employees randomly assigned to the treatment conditions additionally included a prompt to write down either (i) the date the employee planned to be vaccinated or (ii) the date and time the employee planned to be vaccinated. Vaccination rates increased when these implementation intentions prompts were included in the mailing. The vaccination rate among control condition employees was 33.1%. Employees who received the prompt to write down just a date had a vaccination rate 1.5 percentage points higher than the control group, a difference that is not statistically significant. Employees who received the more specific prompt to write down both a date and a time had a 4.2 percentage point higher vaccination rate, a difference that is both statistically significant and of meaningful magnitude.

Suggested Citation

  • Milkman, Katherine L. & Beshears, John & Choi, James J. & Laibson, David I. & Madrian, Brigitte, 2011. "Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates," Scholarly Articles 8057976, Harvard Kennedy School of Government.
  • Handle: RePEc:hrv:hksfac:8057976
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    References listed on IDEAS

    as
    1. Matthew Rabin & Ted O'Donoghue, 1999. "Doing It Now or Later," American Economic Review, American Economic Association, vol. 89(1), pages 103-124, March.
    2. David K. Levine & Drew Fudenberg, 2006. "A Dual-Self Model of Impulse Control," American Economic Review, American Economic Association, vol. 96(5), pages 1449-1476, December.
    3. Beshears, John & Choi, James J. & Laibson, David & Madrian, Brigitte C., 2008. "How are preferences revealed?," Journal of Public Economics, Elsevier, vol. 92(8-9), pages 1787-1794, August.
    4. Brigitte C. Madrian & Dennis F. Shea, 2001. "The Power of Suggestion: Inertia in 401(k) Participation and Savings Behavior," The Quarterly Journal of Economics, Oxford University Press, vol. 116(4), pages 1149-1187.
    5. David Laibson, 1997. "Golden Eggs and Hyperbolic Discounting," The Quarterly Journal of Economics, Oxford University Press, vol. 112(2), pages 443-478.
    6. Steven D. Levitt & John A. List, 2007. "What Do Laboratory Experiments Measuring Social Preferences Reveal About the Real World?," Journal of Economic Perspectives, American Economic Association, vol. 21(2), pages 153-174, Spring.
    Full references (including those not matched with items on IDEAS)

    More about this item

    JEL classification:

    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • I10 - Health, Education, and Welfare - - Health - - - General
    • J18 - Labor and Demographic Economics - - Demographic Economics - - - Public Policy

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