How warm are political interactions? A new measure of affective fractionalization

Ansgar Hudde*, Will Horne, James Adams, Noam Gidron

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Affective polarization measures account for partisans’ feelings towards their own party versus its opponent(s), but not for how likely partisans are to encounter co-partisans versus out-partisans. However, the intensity of out-party dislike and the probability with which this comes into play both determine the social impact of cross-party hostility. We develop an affective fractionalization measure that accounts for both factors, and apply it to longitudinal survey data from 20 Western publics. From this perspective, countries with fewer dominant parties may be more harmonious because partisans have lower probabilities of interacting with political opponents. At the party level, partisans of smaller, more radical parties are particularly troubled because they strongly dislike out-partisans and have few co-partisans. Affective fractionalization has increased in most Western publics over time, primarily because of growing party-system fragmentation.

Original languageAmerican English
Article numbere0294401
JournalPLoS ONE
Volume19
Issue number5 May
DOIs
StatePublished - May 2024

Bibliographical note

Publisher Copyright:
© 2024 Hudde et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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