Promoting prosocial behavior toward those who are dissimilar from oneself is an urgent contemporary issue. Because children spend much time in same-gender relationships, promoting other-gender prosociality could help them develop more inclusive relationships. Our goal in the present research was to better understand the extent to which…

A stochastic actor-based model was used to investigate the origins of sex segregation by examining how similarity in sex of peers and time spent in gender-typed activities affected affiliation network selection and how peers influenced children's ("N" = 292; "M"[subscript age] = 4.3 years) activity involvement. Gender had…