Examines telephone discourse of twenty children between two and five years of age for answerer rules, turn-taking, constructional units, conversational acts, closing sequence, and ability to take messages. Shows developmental differences, although mastery of discourse skills appeared only in response categories, and primarily at four and five…

Explores three aspects of temporally displaced talk between mothers and children: (1) the role of the knowledge base in such talk; (2) the effect of mother talk on child talk; and (3) the impact of such talk on the child's knowledge base. Indicates that maternal speech can mediate information and experience and contribute to the child's world…