Sharing is an important indicator of internalised prosocial values. We examined predictors of sharing of 302 preschoolers with their younger siblings in a one-year longitudinal study. Sharing was observed during different home visits, once with father and once with mother. We examined the following predictors: both children's externalising…

Siblings' constructive and unstructured shared activities were examined as moderators of the links between first- and second-born siblings' adjustment across a two-year period in adolescence. Siblings (N = 189 dyads) reported on their depression, peer competency, self worth during home interviews, and their time together in constructive (e.g.,…

Seventy-six siblings (3-9 years) were individually interviewed concerning their recent conflicts. Analyses compared goals, requests, and voluntary actions attributed to self and other. Children were adept at describing both own and others' goals, requests, and actions, and these formed coherent hierarchies in which overarching explicit goals…

Thirty-nine families were observed extensively at home when children were 2 1/2 and 4 1/2 years of age and again 2 years later. The Social Relations Model is used to investigate children's sex differences in aggression and parents' prohibiting aggression during sibling conflict. In the first observation period, boys engaged in more severe and mild…