Gustave Le Bon
quoted in Source
Groupthink is a Mass Contagion Disease
One of the first scholars of “groupthink” was Irving Janis, a research psychologist at Yale and professor emeritus at UC Berkeley. Janis wrote more than a dozen books, including “Groupthink,” and “Victims of Groupthink.” It is instructive to examine a summary of his conclusions from studying the phenomenon.
… what Janis more generally showed through each of his carefully researched case studies was how this form of collective human psychology operates according to certain clearly identifiable rules. Janis several times set out lists of the ‘symptoms of groupthink’, and his lengthy study included much analysis of its other attributes. But for our present purpose, we can draw out from his work three characteristics of
groupthink that are absolutely basic and relevant to our theme. I carefully use here the phrase ‘draw out from’ because Janis himself nowhere…
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