out-group homogeneity
/ˌaʊt ɡruːp ˌhɒmədʒəˈniːɪti/
perceiving members of other groups as more similar to each other than they are
out-group homogeneity in a sentence
“Out-group homogeneity makes 'they all look alike' a common but mistaken perception.”
Origin of out-group homogeneity
Latin homo same + genus kind, race
Related Words
stereotype
a widely held but oversimplified idea about a group
projection bias
assuming others share one's current beliefs, values, or emotional states
just-world hypothesis
the belief that people get what they deserve
horn effect
letting one negative trait overshadow overall impression
actor-observer bias
attributing own actions to situations but others' actions to personality
affinity bias
favoring people who are similar to oneself