The Psychology of Group Thinking: How Our Social Identity Affects Decision Making

Saeed Mohajeryami, PhD
Mind Talk
Published in
7 min readMar 24, 2023

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Group thinking is a fascinating and complex phenomenon that has been studied extensively by social psychologists and behavioral scientists. It is a cognitive and social process in which individuals prioritize conformity and consensus over independent thinking and critical analysis.

Group thinking can be caused by a number of factors, including social identity theory, cognitive dissonance, and group polarization. The effects of group thinking can be both positive and negative. On the positive side, group cohesion and social identity can lead to increased performance and productivity, as well as greater creativity and innovation. However, group thinking can also lead to poor decision-making, risk-taking, and a lack of critical analysis.

Causes of Group Thinking

Some of these causes are briefly mentioned, but here I try to expand on them.

Social identity theory suggests that individuals tend to identify strongly with their group and seek to conform to group norms. This can lead to a tendency to suppress dissenting opinions in favor of the group consensus, as individuals strive to maintain their social identity and sense of belonging.

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Saeed Mohajeryami, PhD
Mind Talk

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