The dynamics of group polarization

Carlo Proietti

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review


Exchange of arguments in a discussion often makes individuals more radical about their initial opinion. This phenomenon is known as Group-induced Attitude Polarization. A byproduct of it are bipolarization effects, where the distance between the attitudes of two groups of individuals increases after the discussion. This paper is a first attempt to analyse the building blocks of information exchange and information update that induce polarization. I use Argumentation Frameworks as a tool for encoding the information of agents in a debate relative to a given issue a. I then adapt a specific measure of the degree of acceptability of an opinion (Matt and Toni 2008). Changes in the degree of acceptability of a, prior and posterior to information exchange, serve here as an indicator of polarization. I finally show that the way agents transmit and update information has a decisive impact on polarization and bipolarization.

Titel på värdpublikationLogic, Rationality, and Interaction
Undertitel på värdpublikationInternational Workshop on Logic, Rationality and Interaction
Antal sidor14
Volym10445 LNCS
ISBN (tryckt)9783319649993
StatusPublished - 2017
EvenemangLogic, Rationality, and Interaction : 6th International Workshop - Sapporo, Japan
Varaktighet: 2017 sep. 112017 sep. 14


NamnLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volym10445 LNCS
ISSN (tryckt)03029743
ISSN (elektroniskt)16113349


KonferensLogic, Rationality, and Interaction
Förkortad titelLORI 2017

Ämnesklassifikation (UKÄ)

  • Filosofi


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