Does children's bias toward their own groups reflect egocentrism or social understanding? After being categorized as belonging to 1 of 2 fictitious groups, 157 six- to ten-year-olds evaluated group members and expressed preferences among neutral items. Children who expected the in-group to share their item preferences (egocentric social…

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…

In Study 1, 167 English children aged 6-8 or 9-11 evaluated peer English or French soccer fans that were loyal or partially disloyal. In Study 2, 149 children aged 5-11 made judgments about generic inclusion norms between and within competitive groups. In both studies, children's understanding of intergroup inclusion/exclusion norms (group nous)…

To test social and cognitive variables that may affect the development of subjective group dynamics, the authors had 224 children between the ages of 5 and 12 years evaluate an in-group and an out-group and normative and deviant in-group members under conditions of high or low accountability to in-group peers. In-group bias and relative…

Social exclusion is a serious social problem. Not "fitting in" at school may be an experience that can scar children psychologically for life. This is unsurprising since being part of the "in crowd" (i.e. accepted in-group members) is extremely important to children and adolescents. Being rejected by one's peers can cause an increase in antisocial…