How language use on Facebook drives affective polarization

dc.contributor.advisorStroud, Natalie Jomini
dc.contributor.committeeMemberHart, Roderick P.
dc.contributor.committeeMemberJarvis, Sharon
dc.contributor.committeeMemberLukito, Josephine
dc.creatorKim, Yujin (Ph. D. in communication studies)
dc.creator.orcid0000-0001-6607-2312
dc.date.accessioned2022-06-24T18:39:58Z
dc.date.available2022-06-24T18:39:58Z
dc.date.created2022-05
dc.date.issued2022-05-06
dc.date.submittedMay 2022
dc.date.updated2022-06-24T18:39:59Z
dc.description.abstractSocial media has changed people’s experience with political language. Social media platforms have become places where political tolerance is rarely preserved and expressions of high levels of intense dislike proliferate among the American public toward the opposing political party. Focusing on political content on Facebook, I argue that partisan language, when combined with a highly charged affective aspect, exacerbates affective polarization. I further propose that the type of language that increases affective polarization is promoted by social media algorithms, hence making partisan content more visible. To examine these dynamics, I provide both longitudinal and cross-sectional evidence of how partisan language, combined with affect, influences users’ political attitudes, leading to increases in affective polarization in society-at-large. At the aggregate level, I look at the effects of affective political language on engagement metrics and also examine time-series analysis to see how partisan affective language correlates with feelings toward the political parties. Using a computational social scientific lens, I apply natural language processing techniques such as sentiment analysis, incivility identification, and the determination of partisan in-/out-group entities to identify affective language in Facebook hyper-partisan pages. I use data consisting of 14 million posts from 1,493 hyper-partisan pages on Facebook between January 2008 and mid-November 2020 were as well as aggregated public opinion surveys corresponding to those timelines. At an individual level of analysis, I test the effects of partisan affective language on polarization using a mock Facebook setting. The survey experiment provides causal evidence about the relationship between language and polarization. Results confirm two routes to polarization: negative and uncivil language attracts more engagement leading to more visibility and such language corresponds with how people feel about the political parties. This dissertation further emphasizes how incivility and negativity related to polarization differently and how the presence of political targets influences affective polarization. Partisan differences in the mechanisms of engagement with political posts and affective polarization are discussed. The dissertation overall shows that political language can shape affective polarization, a process that is facilitated by social media.
dc.description.departmentCommunication Studies
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/2152/114766
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/41669
dc.language.isoen
dc.subjectAffective polarization
dc.subjectSocial media
dc.subjectFacebook
dc.subjectLanguage
dc.subjectHyper-partisan content
dc.titleHow language use on Facebook drives affective polarization
dc.typeThesis
dc.type.materialtext
thesis.degree.departmentCommunication Studies
thesis.degree.disciplineCommunication Studies
thesis.degree.grantorThe University of Texas at Austin
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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