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What is in-group bias?

PsychologyLesson on requestFree to read

Quick answer

In-group bias is our tendency to favor people who belong to the same group as us — whether by team, nationality, or interest — over outsiders. It shapes loyalty and cooperation, but can also fuel prejudice and conflict between groups.

Key things to understand

  1. We favor members of our own group over outsiders.
  2. Groups can form around almost anything.
  3. It boosts in-group trust and cooperation.
  4. It can also drive prejudice and division.

People also ask

What is in-group bias?
The tendency to favor and trust people in our own group over those outside it.
What causes in-group bias?
A deep social instinct to belong and cooperate, which makes us favor 'us' over 'them'.
How can in-group bias be reduced?
By building shared goals, contact, and common identities that bridge different groups.