Decisions and mechanisms of intergroup bias in children's third‐party punishment
AbstractChildren tend to punish norm transgressions, even when they are mere external observers—a phenomenon known as Third‐Party Punishment (TPP). This behavior is influenced by intergroup bias, as children unevenly punish ingroup and outgroup members. Here, we explored the influence of intergroup bias in TPP decisions in children between six and 11 years of age (N = 124) using costly versus non‐costly decisions while measuring response times as a proxy of the mechanisms underlying intergroup bias in TPP.