Wednesday, December 26, 2018

The more radical, the less grounded in reality.

Timely. From Metacognitive Failure as a Feature of Those Holding Radical Beliefs by Max Rollwage, Raymond J.Dolan, and Stephen M.Fleming. From the Abstract:
Widening polarization about political, religious, and scientific issues threatens open societies, leading to entrenchment of beliefs, reduced mutual understanding, and a pervasive negativity surrounding the very idea of consensus. Such radicalization has been linked to systematic differences in the certainty with which people adhere to particular beliefs. However, the drivers of unjustified certainty in radicals are rarely considered from the perspective of models of metacognition, and it remains unknown whether radicals show alterations in confidence bias (a tendency to publicly espouse higher confidence), metacognitive sensitivity (insight into the correctness of one’s beliefs), or both. Within two independent general population samples (n = 381 and n = 417), here we show that individuals holding radical beliefs (as measured by questionnaires about political attitudes) display a specific impairment in metacognitive sensitivity about low-level perceptual discrimination judgments. Specifically, more radical participants displayed less insight into the correctness of their choices and reduced updating of their confidence when presented with post-decision evidence. Our use of a simple perceptual decision task enables us to rule out effects of previous knowledge, task performance, and motivational factors underpinning differences in metacognition. Instead, our findings highlight a generic resistance to recognizing and revising incorrect beliefs as a potential driver of radicalization.
It is a small study, survey not observational, etc. But interesting if true.

For all the talk about polarization, I think America is pretty unified. I think the mainstream media has had a tendency to exaggerate isolated instances in order to create a much greater appearance of division than there really is. There is a small fringe of radicals - white nationalists, the much larger number of Antifa, shouters and protesters on campus about gender or race identity, DSA, etc. - who are <1% of the population but who create 95% of the headlines. We are not suffering polarization, we are suffering an overexposure of radicalization which is actually miniscule. Anything we can learn about the mind of the radical, the better. If we could put Eric Hoffer's insights in The True Believer onto an evidentiary base, that would be ideal. Reduce the exposure of the fringe radicals and you most likely reduce the sense of polarization.

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