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Apparent bias: what does attitude polarization show?

Journal

International Economic Review

Subject

Economics

Publishing details

International Economic Review 2019 Vol 60:4 p 1675-1703

Authors / Editors

Benoit J-P;Dubra J

Biographies

Jean-Pierre Benoît

Publication Year

2019

Abstract

Many, though not all, experiments have found that exposing groups of subjects who disagree to the same evidence may cause their initial attitudes to strengthen and move further apart, or polarize. Some have concluded that findings of attitude polarization show that people process information so as to support their initial views. We argue that, on the contrary, polarization is often what we should expect to find in an unbiased Bayesian population, in the context of the experiments that find polarization.

Keywords

Attitude polarization; Confirmation bias; Bayesian decision making

Available on ECCH

No


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