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Divided by the Vote: Affective Polarization in the Wake of the Brexit Referendum

Published online by Cambridge University Press:  07 July 2020

Sara B. Hobolt Open the ORCID record for Sara B. Hobolt [Opens in a new window] ,
Thomas J. Leeper Open the ORCID record for Thomas J. Leeper [Opens in a new window]  and
James Tilley Open the ORCID record for James Tilley [Opens in a new window]
Sara B. Hobolt*
Affiliation:
London School of Economics and Political Science, UK
Thomas J. Leeper
Affiliation:
London School of Economics and Political Science, UK
James Tilley
Affiliation:
University of Oxford, UK
*
*Corresponding author. E-mail: s.b.hobolt@lse.ac.uk
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Abstract

A well-functioning democracy requires a degree of mutual respect and a willingness to talk across political divides. Yet numerous studies have shown that many electorates are polarized along partisan lines, with animosity towards the partisan out-group. This article further develops the idea of affective polarization, not by partisanship, but instead by identification with opinion-based groups. Examining social identities formed during Britain's 2016 referendum on European Union membership, the study uses surveys and experiments to measure the intensity of partisan and Brexit-related affective polarization. The results show that Brexit identities are prevalent, felt to be personally important and cut across traditional party lines. These identities generate affective polarization as intense as that of partisanship in terms of stereotyping, prejudice and various evaluative biases, convincingly demonstrating that affective polarization can emerge from identities beyond partisanship.

Keywords

affective polarizationpartisanshipgroup identityBrexitbiasreferendum
Type
Article
Information
British Journal of Political Science , Volume 51 , Issue 4 , October 2021 , pp. 1476 - 1493
Copyright
Copyright © The Author(s) 2020. Published by Cambridge University Press

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