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Journal of Behavioral Medicine

, Volume 42, Issue 3, pp 381–391 | Cite as

The willingness to vaccinate increases when vaccination protects others who have low responsibility for not being vaccinated

  • Robert BöhmEmail author
  • Nicolas W. Meier
  • Marina Groß
  • Lars Korn
  • Cornelia Betsch
Article

Abstract

Vaccination provides direct protection for the vaccinating individual and indirect protection for other, unvaccinated individuals via herd immunity. Still, some people do not get vaccinated—either because they cannot (e.g., due to health conditions) or they don’t want to (e.g., due to vaccine hesitancy). We investigate whether non-vaccinators’ level of responsibility for not being vaccinated affects individuals’ motivation to vaccinate and, thus, to indirectly protect non-vaccinators. In Study 1 (N = 101), the intention to vaccinate increased (Cohen’s d = 0.99) when non-vaccinators were described as willing but unable to get vaccinated (low responsibility) compared to when they were able but unwilling to get vaccinated (high responsibility). Study 2 (N = 297) replicated this finding with regard to vaccination behavior in an interactive vaccination (I-Vax) game (OR = 2.38). Additionally, knowing about non-vaccinators’ low responsibility also increased the willingness to vaccinate compared to when there was no information on non-vaccinators’ level of responsibility. Amplified levels of social welfare concerns in the case of non-vaccinators’ low responsibility mediated the latter effect. This finding informs effective communication strategies for improving the vaccination rates.

Keywords

Vaccination Prosociality Attribution theory Herd immunity 

Notes

Funding

This work was supported by the German Research Foundation (DFG) under Grants BO 4466/2-1 to RB and BE 3970/8-1 to CB.

Compliance with ethical standards

Conflict of interest

Robert Böhm, Nicolas W. Meier, Marina Groß, Lars Korn, and Cornelia Betsch declare that they have no conflicts of interest.

Human and animal rights and Informed consent

All procedures performed in studies involving human participants were in accordance with the ethical standards of the German Psychological Association (Deutsche Gesellschaft für Psychologie) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all patients for being included in the study.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Business and EconomicsRWTH Aachen UniversityAachenGermany
  2. 2.Media and Communication ScienceUniversity of ErfurtErfurtGermany
  3. 3.Center for Empirical Research in Economics and Behavioral SciencesUniversity of ErfurtErfurtGermany

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