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In social psychology, group polarization refers to the tendency for a group to make decisions that are more extreme than the initial inclination of its members. These more extreme decisions are towards greater risk if individuals' initial tendencies are to be risky and towards greater caution if individuals' initial tendencies are to be cautious. [1]
Groupthink occurs when the group members are familiar with each other and seek each other's approval, especially in stressful situations. The diffusion of responsibility contributes to groupthink as when the diffusion of responsibility is occurring within a group, each group member feels less of a responsibility to express his or her own ...
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 social identity approach suggests a more general approach to group decision-making than the popular groupthink model, which is a narrow look at situations where group and other decision-making is flawed. Social identity analysis suggests that the changes which occur during collective decision-making are part of rational psychological ...
The size of the group also has an effect on how susceptible the group will be to polarization. The greater the number of people in a group, the greater the tendency toward deindividuation. In other words, deindividuation is a group-size-effect. As groups get larger, trends in risk-taking are amplified. [3]
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.
Animosity between partisan voters has grown in recent years. Gutzemberg/Shutterstock.comPoliticians and pundits from all quarters often lament democracy’s polarized condition. Similarly ...
Group polarization refers to the finding that following group discussion, individuals tend to endorse a more extreme position in the direction already favored by the group. In Lee's study subjects were either assigned to a deindividuation or individuation condition.