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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 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]
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.
Explicitly contrasted against a social cohesion based definition for social groups is the social identity perspective, which draws on insights made in social identity theory. [9] Here, rather than defining a social group based on expressions of cohesive social relationships between individuals, the social identity model assumes that ...
Group cognition is a social, largely linguistic phenomenon whereby a group of people produce a sequence of utterances that performs a cognitive act. That is, if a similar sequence was uttered or thought by an individual it would be considered an act of cognition or thinking.
Kurt Lewin (/ l ɛ ˈ v iː n / lə-VEEN; 9 September 1890 – 12 February 1947) was a German-American psychologist, known as one of the modern pioneers of social, organizational, and applied psychology in the United States. [1]
Conflict is a necessary part of a group's development. Conflict allows the group to evaluate ideas and it helps the group conformity and groupthink: Consensus: Conflict ends in the consensus stage, when group members compromise, select ideas, and agree on alternatives. Closure
That there was pluralistic ignorance has also been seen as a reason why far-right parties have been growing so fast in recent years. [28] Another consequence of pluralistic ignorance is groupthink. [10] [8] This refers to a situation where small, cohesive groups of intelligent individuals are led to make unintelligent decisions. [10]