“…Members of hierarchical groups tended to be more aggressive, particularly members who were particularly prominent (Pellegrini & Bartini, 2000). Students in egalitarian groups, on the other hand, tended to experience more positive student outcomes including increased academic achievement (Wilson et al, 2011) and greater endorsement of academic effort and achievement (Hamm, Lambert, Agger, & Farmer, 2013). Therefore, egalitarian peer groups may offer students more supportive experiences with peers and greater potential for academic success in middle school and, thus, may promote more positive feelings of relatedness.…”