This study investigated the role of children's gender stereotypes and peer playmate experiences in shaping their desire to play with peers who hold counterstereotypical preferences (e.g., a boy who likes dolls or a girl who likes trucks). Children (N = 95; 46 girls, 49 boys; 67% White, 18% Black, 8% Latinx, 4% Asian, 3% other; median household…

Ingroup preferences when deciding who to include in 2 distinct intergroup contexts, gender and school affiliation, were investigated. Children and adolescents, in the 4th (9-10 years) and 8th (13-14 years) grades, chose between including someone in their group who shared their group norm (moral or conventional) or who shared their group membership…

Children and adolescents evaluated group inclusion and exclusion in the context of generic and group-specific norms involving morality and social conventions. Participants ("N" = 381), aged 9.5 and 13.5 years, judged an in-group member's decision to deviate from the norms of the group, whom to include, and whether their personal…