Pro-vaccination subjective norms moderate the relationship between conspiracy mentality and vaccination intentions


Winter, Kevin ; Pummerer, Lotte ; Hornsey, Matthew J. ; Sassenberg, Kai


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British J Health Psychol - 2021 - Winter - Pro‐vaccination subjective norms moderate the relationship between conspiracy.pdf - Published

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DOI: https://doi.org/10.1111/bjhp.12550
URL: https://bpspsychub.onlinelibrary.wiley.com/doi/10....
URN: urn:nbn:de:bsz:180-madoc-714099
Document Type: Article
Year of publication: 2022
The title of a journal, publication series: British Journal of Health Psychology
Volume: 27
Issue number: 2
Page range: 390-405
Place of publication: Oxford ; Hoboken NJ
Publishing house: Wiley-Blackwell
ISSN: 1359-107X , 2044-8287
Related URLs:
Publication language: English
Institution: School of Social Sciences > Sozialpsychologie und Mikrosoziologie (Stavrova 2025-)
Pre-existing license: Creative Commons Attribution, Non-Commercial, No Derivatives 4.0 International (CC BY-NC-ND 4.0)
Subject: 150 Psychology
300 Social sciences, sociology, anthropology
Abstract: Objectives Increasing vaccination hesitancy threatens societies’ capacity to contain pandemics and other diseases. One factor that is positively associated with vaccination intentions is a supportive subjective norm (i.e., the perception that close others approve of vaccination). On the downside, there is evidence that negative attitudes toward vaccinations are partly rooted in conspiracy mentality (i.e., the tendency to believe in conspiracies). The objective of this study is to examine the role of subjective norms in moderating the association between conspiracy mentality and vaccine hesitancy. We examined two competing predictions: Are those high in conspiracy mentality immune to subjective norms, or do subjective norms moderate the relationship between conspiracy mentality and vaccination intentions? Methods We conducted five studies (total N = 1,280) to test these hypotheses across several vaccination contexts (some real, some fictitious). We measured conspiracy mentality, vaccination intentions, subjective norms, attitudes toward vaccination, and perceived behavioural control. Results A merged analysis across the studies revealed an interaction effect of conspiracy mentality and subjective norm on vaccination intentions. When subjective norm was high (i.e., when participants perceived that close others approved of vaccines) conspiracy mentality no longer predicted vaccination intentions. This was consistent with the moderating hypothesis of subjective norms and inconsistent with the immunity hypothesis. Conclusions The typical negative relationship between conspiracy mentality and vaccination intentions is eliminated among those who perceive pro-vaccination subjective norms. Although correlational, these data raise the possibility that pro-vaccination views of friends and family can be leveraged to reduce vaccine hesitancy.




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