Counter-stereotypical messaging and partisan cues: Moving the needle on vaccines in a polarized United States

Author:

Larsen Bradley J.1ORCID,Ryan Timothy J.2ORCID,Greene Steven3ORCID,Hetherington Marc J.2ORCID,Maxwell Rahsaan4ORCID,Tadelis Steven5ORCID

Affiliation:

1. Washington University in St. Louis, St. Louis, MO, and NBER, Cambridge, MA.

2. The University of North Carolina at Chapel Hill, Chapel Hill, NC.

3. North Carolina State University, Raleigh, NC.

4. New York University, New York City, NY.

5. The University of California at Berkeley, Berkeley, CA, and NBER, Cambridge, MA.

Abstract

This paper reports results from a large-scale randomized controlled trial assessing whether counter-stereotypical messaging and partisan cues can induce people to get COVID-19 vaccines. The study used a 27-s video compilation of Donald Trump’s comments about the vaccine from Fox News interviews and presented the video to millions of U.S. YouTube users through a $100,000 advertising campaign in October 2021. Results indicate that the number of vaccines increased in the average treated county by 103 (with a one-tailed P value of 0.097). Based on this average treatment effect and totaling across our 1014 treated counties, the total estimated effect was 104,036 vaccines.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference44 articles.

1. I. Saric Fauci: Divergent vaccination rates could create “two Americas” Axios; https://www.axios.com/2021/06/30/fauci-vaccination-covid-rates-two-americas.

2. A. Kirzinger A. Kearney L. Hamel M. Brodie KFF COVID-19 Vaccine Monitor: The increasing importance of partisanship in predicting COVID-19 vaccination status; https://www.kff.org/coronavirus-covid-19/poll-finding/importance-of-partisanship-predicting-vaccination-status/.

3. Polarization and public health: Partisan differences in social distancing during the coronavirus pandemic

4. Risk perceptions and politics: Evidence from the COVID-19 pandemic

5. D. Wood J. Brumfiel Pro-Trump counties now have far higher COVID death rates. Misinformation is to blame; https://www.npr.org/sections/health-shots/2021/12/05/1059828993/data-vaccine-misinformation-trump-counties-covid-death-rate.

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