Strategic collaboration according to the law of comparative advantage involves dividing tasks based on the relative capabilities of group members. Three experiments (N = 405, primarily White and Asian, 45% female, collected 2016-2019 in Canada) examined how this strategy develops in children when dividing cognitive labor. Children divided…

Examines the effects of goal structures in relation to the task performance of 141 third-grade children randomly assigned to 47 same-sex triads. (Author/CM)

Examines the dynamics involved when preschoolers aged five years attempt to build replicas of Lego models, either by working alone or with another. Results show that collaboration was more conducive to learning than was independent work and that children were able to generalize their skills. (Author/RWB)

Examines the effect of an unfamiliar peer in a situation requiring a subject's separation from mother in order to play with attractive toys. Observation of 20 children 18 months old and 20 children 30 months old revealed that peer presence facilitated initial separation for both ages, but that age differences in subsequent behaviors existed. (CB)

Examined assertive bids of elementary school children engaged in a cooperative task. Results from kindergarten and grade one participants support previous research regarding greater male assertiveness and attempts to influence other boys. By grade three, girls' overall assertiveness equaled that of boys. (Author/DB)