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Self-Persuasion: Evidence From Field Experiments at International Debating Competitions

  • Laboratory evidence shows that when people have to argue for a given position, they persuade themselves about the position's factual and moral superiority. Such self-persuasion limits the potential of communication to resolve conflict and reduce polarization. We test for this phenomenon in a field setting, at international debating competitions that randomly assign experienced and motivated debaters to argue one side of a topical motion. We find self-persuasion in factual beliefs and confidence in one's position. Effect sizes are smaller than in the laboratory, but robust to a one-hour exchange of arguments and a tenfold increase in incentives for accuracy.

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Metadaten
Document Type:Article
Language:English
Author(s):Peter Schwardmann, Joël J. van der Weele, Egon TripodiORCiD
Parent Title (English):American Economic Review
Publication year:2022
Publishing Institution:Hertie School
First Page:1118
Last Page:1146
DOI:https://doi.org/10.1257/aer.20200372
Release Date:2022/10/12
Volume:112
Issue:4
Licence of document (German):Metadaten / metadata
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