• Corpus ID: 30467015

Back to Bayes: Confronting the Evidence on Attitude Polarization

@inproceedings{Guess2015BackTB,
  title={Back to Bayes: Confronting the Evidence on Attitude Polarization},
  author={Andrew Markus Guess and Alexander Coppock},
  year={2015}
}
A large body of theory suggests that when individuals are exposed to counter-attitudinal evidence or arguments, their preexisting opinions and beliefs are reinforced, resulting in a phenomenon known as attitude polarization. Drawing on evidence from three well-powered randomized experiments designed to induce polarization, we nd that no such eect occurs. To explain our results, we develop and extend a theory of Bayesian learning that, under reasonable assumptions, rules out polarization. People… 

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