Sixteen children with developmental disabilities and 32 nondisabled children (all between 1.5 and 4.5 years of age) were placed in either a same- or mixed-age grouping of 6 children. Observation six months later showed that children in mixed-age groups took more conversational turns with partners with disabilities than did children in same-age…

This study of mother-infant pairs investigates sex differences and age differences (infants of 6, 9, and 12 months of age) in mother and infant initiations of interactions and responses to the other's initiations. (SS)

A study examined developmental trends in the quality and outcomes of disagreements occurring in the conversation of small groups of acquainted peers. Specifically, the study focused on the relationship of disagreeing and arguing sequences to the general level of topical coherence achieved in the conversation as a whole. Five discussion groups,…

Six experiments were designed in order to compare the cooperative and competitive interaction of five-year-olds with that of older children up to age 10. For all experiments, children of the same age and same sex were matched in dyads. The children played various two-person games where they could obtain prizes in a variety of reward contingency…

This report summarizes three related studies of 3- to 5-year-old children's temperament and its relationship to their social competence, ability to solve interpersonal problems, locus of control, parent behavior and teacher/child interactions. Fifty-eight children, predominantly middle class participants in a laboratory preschool, and their…