Collective Illusions by Todd Rose

Conformity, Complicity, and the Science of Why We Make Bad Decisions

The central argument is that many social problems persist not because most people genuinely endorse harmful norms, but because individuals privately reject them while mistakenly believing everyone else accepts them, creating a self-reinforcing illusion that drives conformity. Drawing on research in psychology and social science and illustrated with real-world cases—from campus drinking and workplace practices to politics and online behavior—the book shows how institutions and information channels amplify misperceptions and lock groups into bad decisions. It then offers practical remedies: ways to reveal true preferences, redesign decision environments, and change communication systems so honest views can surface and collective choices align more closely with what people actually want.

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