"If they believe, then so shall I": perceived beliefs of the in-group predict conspiracy theory belief

Cookson, D. ORCID: 0000-0002-5450-0727, Jolley, D., Dempsey, R. and Povey, R., 2021. "If they believe, then so shall I": perceived beliefs of the in-group predict conspiracy theory belief. Group Processes and Intergroup Relations. ISSN 1368-4302 (Forthcoming)

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Abstract

Conspiracy beliefs are widespread and can have detrimental consequences. As perceived social norms can exert a powerful influence on individuals, we investigated the relationship between perceived norms of conspiracy beliefs and personal endorsement and whether conspiracy belief amongst others is overestimated. In Study 1, UK university students (n = 111) completed measures of their personal conspiracy beliefs and estimations of others’ beliefs (an in-group and out-group they chose, and a prescribed in-group). The perceived belief of the in-groups strongly predicted personal conspiracy belief; the out-group did not. Study 2 and 3 replicated these findings in a British community sample (n = 177) and a UK parent sample (n = 197) focusing on anti-vaccine conspiracy theories. All studies demonstrated that people overestimate the conspiracy beliefs of others. This is the first demonstration of the association between perceived social norms of in-group conspiracy belief and individuals’ personal conspiracy beliefs. Interventions challenging misperceived norms could be effective in reducing conspiracy beliefs.

Item Type: Journal article
Alternative Title: Conspiracy theories and beliefs of the in-group
Publication Title: Group Processes and Intergroup Relations
Creators: Cookson, D., Jolley, D., Dempsey, R. and Povey, R.
Publisher: SAGE Publications
Date: 19 January 2021
ISSN: 1368-4302
Identifiers:
NumberType
1403626Other
Divisions: Schools > School of Social Sciences
Record created by: Linda Sullivan
Date Added: 29 Jan 2021 09:44
Last Modified: 31 May 2021 15:07
URI: http://irep.ntu.ac.uk/id/eprint/42136

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