The 17-month (1967-1968) study summarized in this report concerned experimental analysis of the verbal behavior of disadvantaged preschool children (an interracial group of 28, ranging in age from 30 months to 42 months). Research was conducted in the verbal behavior laboratory at the University of Rochester and in a remodeled private home in a…

Rates of verbalizing by three children exhibiting moderate to severe language delays (delays of six months to two years) were increased through the systematic use of mands for verbalization, models for verbalization, and contingent positive consequences following utterances. Daily samples of each child's speech were collected during free play…

Discusses the importance of providing opportunities for children to learn through talk with an adult and contains excerpts from transcripts of parent-child and teacher-student conversations. (DF)

One of several guides developed by the California Department of Education for caregivers in centers and family child care homes, this guide offers information based on current theory, research, and practice that will support the language development and communication of infants and toddlers and their families. Each of the five sections focuses on…