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video
‘Differential information deficits do not explain political polarization’ by Endre Begby
Date Published: 15 mei 2025
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Abstract: According to Partisan Selective Exposure Theory, contemporary tendencies toward political polarization can be explained by the fact that people increasingly get their news from different politically aligned sources. Either through individual choice or by algorithmic filtering, we are led into “information bubbles” where we are only exposed to news-stories and perspectives that corroborate our pre-existing outlooks. As a result, different groups predictably suffer from different information deficits and might as well be “inhabiting different worlds,” as far as political epistemology Is concerned.
In this talk, I will argue that the problem with Partisan Selective Exposure Theory is not just its lack of empirical grounding but that its underlying explanatory model is misguided: in brief, it treats as a problem of information access what is better considered in terms of information processing. Accordingly, its proposed remedies and normative implications are also potentially counterproductive: in antagonistic information environments, they might in fact render us more vulnerable to manipulation and radicalization.
Endre Begby, Simon Fraser University