The test performance of 120 Anglo, black, and Chicano third- and fifth-grade children is used to demonstrate the similarities between the processes of diachronic and ontogenetic language change. The instrument used measured the range of knowledge of several grammatical structures. Analysis and interpretation of results suggested the gradual…

This study investigated the linguistic characteristics of speech addressed to the child and the features of the verbal environment critical for learning language. The study focused on the prosodic and paralinguistic features of adult speech to the young child. Adult speech directed to children was compared to other kinds of systematic speech…