Psychology
Social Identity Complexity and Its Impact on Intergroup Attitudes
Quick fact
People who perceive their multiple group memberships as overlapping and merged into a single identity tend to show more prejudice against outgroups, whereas those who see their groups as distinct and separate tend to be more tolerant.
Why this is interesting
Ever felt like a completely different person depending on who you're with? That might be more than a mood—it could shape how fair you are to people different from you.