Felicity M. Turner-Zwinkels, Jochem van Noord, Rebekka Kesberg, Efrain García-Sánchez, Mark J. Brandt, Toon Kuppens, Matthew J. Easterbrook, Lien Smets, Paulina Gorska, Marta Marchlewska, Tomas Turner-Zwinkels

Affective Polarization and Political Belief Systems: The Role of Political Identity and the Content and Structure of Political Beliefs

  • Social Psychology

We investigate the extent that political identity, political belief content (i.e., attitude stances), and political belief system structure (i.e., relations among attitudes) differences are associated with affective polarization (i.e., viewing ingroup partisans positively and outgroup partisans negatively) in two multinational, cross-sectional studies (Study 1 N = 4,152, Study 2 N = 29,994). First, we found a large, positive association between political identity and group liking—participants liked their ingroup substantially more than their outgroup. Second, political belief system content and structure had opposite associations with group liking: Sharing similar belief system content with an outgroup was associated with more outgroup liking, but similarity with the ingroup was associated with less ingroup liking. The opposite pattern was found for political belief system structure. Thus, affective polarization was greatest when belief system content similarity was low and structure similarity was high.

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