Groupthink & Collective Intelligence Failures

topic

Groupthink is the psychological phenomenon in which the desire for harmony and conformity in a cohesive group overrides realistic appraisal of alternatives — producing decisions that no individual member would endorse independently, through mechanisms including illusion of invulnerability, collective rationalization, self-censorship of doubts, and direct pressure on dissenters. It is most severe in highly cohesive groups with strong leadership, external threat, and high time pressure.

Role

Groupthink has been implicated in some of the most catastrophic decisions in modern history — the Bay of Pigs invasion, the Challenger space shuttle launch decision, the 2008 financial crisis risk assessments — each involving groups of intelligent, experienced people who collectively reached conclusions that the same individuals would have challenged if thinking independently. The pattern is universal in organizational life: meetings where critical concerns are not raised, plans that everyone privately doubts but publicly endorses, strategies that survive without scrutiny because challenging the leader feels socially costly. Most people participate in groupthink regularly without recognizing it — because the social pressure that produces it is experienced not as coercion but as genuine agreement.

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