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The Bias That Divides Us

Keith Stanovich

Cognitive psychology / democratic epistemics

It earns its place on democracy and populism routes as the clearest cognitive-science account of why deliberative argument consistently fails to resolve partisan disagreement — and why that failure is not reducible to bad faith.

Synopsis

A cognitive psychology study arguing that myside bias — the tendency to evaluate evidence in ways that favour one's prior beliefs — is universal, independent of intelligence, and uncorrected by education. Stanovich shows that neither liberals nor conservatives score differently on myside bias measures; smarter people are simply more resourceful rationalisers. He distinguishes myside bias from tribalism and proposes that epistemic humility, not more information, is the democratic remedy.

Core passage idea

Paraphrase · Modern copyrighted work

Higher cognitive ability does not reduce myside bias — it merely enables more sophisticated defences of the position the mind already held.

It dismantles the assumption that one's own political tribe reasons more objectively. No side holds the epistemic privilege it claims, which makes polarisation a structural feature of human cognition rather than a moral failing unique to the opposition.

To avoid a bubble

Pair with Jonathan Haidt, The Righteous Mind.

Reading note

Read it alongside Haidt's Righteous Mind: Haidt maps the moral foundations that generate tribal allegiance; Stanovich explains the cognitive mechanism that makes each tribe confident in its own objectivity.

Best paired with

Jonathan Haidt, The Righteous Mind

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