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Groupthink is sometimes stated to occur (more broadly) within natural groups within the community, for example to explain the lifelong different mindsets of those with differing political views (such as "conservatism" and "liberalism" in the U.S. political context [7] or the purported benefits of team work vs. work conducted in solitude). [8]
Irving Lester Janis (May 26, 1918 – November 15, 1990) was an American research psychologist at Yale University and a professor emeritus at the University of California, Berkeley most famous for his theory of "groupthink", which described the systematic errors made by groups when making collective decisions.
Groupthink, the psychological phenomenon that occurs within a group of people in which the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.
In groupthink theory, a mindguard is a member of a group who serves as an informational filter, providing limited information to the group and, consciously or subconsciously, utilizing a variety of strategies to control dissent and to direct the decision-making process toward a specific, limited range of possibilities. [1]
And it can foster groupthink, making officials less likely to challenge flawed assumptions about U.S. adversaries’ intent. Historical examples show how policy can go off the rails without friction.
The idea of a "group mind" or "mob behavior" was first put forward by 19th-century social psychologists Gabriel Tarde and Gustave Le Bon.Herd behavior in human societies has also been studied by Sigmund Freud and Wilfred Trotter, whose book Instincts of the Herd in Peace and War is a classic in the field of social psychology.
Janis defines groupthink as “the mode of thinking that persons engage in when concurrence-seeking becomes so dominant in a cohesive in-group that it tends to over-ride realistic appraisals of alternative courses of action.” [3] In a subsequent article, he elaborates on this by saying: “I use the term "groupthink" as a quick and easy way to refer to a mode of thinking that people engage ...
A purity spiral is a theory which argues for the existence of a form of groupthink in which it becomes more beneficial to hold certain views than to not hold them, and more extreme views are rewarded while expressing doubt, nuance, or moderation is punished (a process sometimes called "moral outbidding"). [1]