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Mind & biases2 MINBrief fileContext-dependent

Group Polarization

The group begins leaning one way. After talking, it ends farther in that direction.

01 / SUMMARY

In short

After deliberation, a group may adopt a more extreme position than its members' average initial leaning. Shared arguments, social comparison, and group identity can all contribute.

03 / SCENE

In the wild

A committee mildly favorable to an investment backs a larger bet after exchanging mostly supporting reasons.

04 / LIMIT

The limit

It does not mean every conversation radicalizes; diverse information, debate rules, and genuine dissent can slow the shift.

FINAL NOTE

What remains

Before deciding, assign someone to seek contrary evidence and collect individual positions separately.