Examlex
A negative externality:
Robbers' Cave
An experiment focusing on group conflict and cooperation, illustrating how group identity can impact intergroup relations.
Prejudice
Preconceived opinions or judgments towards people or groups without sufficient knowledge, often based on stereotypes.
Hostility
A complex mix of emotions and behaviors that expresses opposition, anger, or aggression toward others.
Harold Kelley
a social psychologist known for his contributions to attribution theory, which explains how individuals infer the causes of other people's behavior.
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