Thinking TrapsUnderstand the patterns shaping your judgment
Social Biases

In-group bias

Favoring people who feel like part of your group.

What Is In-group bias?

In-group bias is a thinking trap where favoring people who feel like part of your group.

How It Tricks You

It can turn partial social evidence into a confident judgment about people, motives, or groups.

Real-World Example

A fan excuses their team's foul but condemns the same move by the rival team.

Examples in Daily Life

Everyday life

Interpreting a friend's mistake generously while treating the same mistake by a stranger as a character flaw.

At work

Giving more trust, information, or opportunity to colleagues who share your background or team identity.

Online

Excusing aggressive behavior from your community while condemning identical behavior from a rival group.

Seen Online As

In-group bias vs. Out-group homogeneity bias

In-group bias grants preference or favorable judgment to our group. Out-group homogeneity bias makes members of another group appear more alike than they really are.

How To Reduce In-group bias

  • Apply the same conduct standard after swapping group labels.
  • Use explicit criteria before learning group membership.
  • Look for variation and disagreement within both groups.

What To Ask Instead

Would I judge this the same from an outsider?

Related Thinking Traps

Common Situations

Quick FAQ

What is In-group bias?

Favoring people who feel like part of your group.

What is an example of In-group bias?

A fan excuses their team's foul but condemns the same move by the rival team.

How do I spot In-group bias?

Would I judge this the same from an outsider?

How can I reduce In-group bias?

Apply the same conduct standard after swapping group labels. Use explicit criteria before learning group membership. Look for variation and disagreement within both groups.