Parity is one source of automatic reinforcement that increases the probability of verbal behavior that conforms to models provided by the verbal community. Parity as a conditioned reinforcer could explain the acquisition of grammar in the absence of direct, explicit reinforcement. This possibility has been explored in previous research on…

Examines the predictive relations among symbolic play, the use of metalinguistic verbs and emergent literacy for preschool children. Describes different regression models for older and younger children and suggests that L.S. Vygotsky's and David Olson's theories of literacy are developmentally complementary. (KEH)

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)

Examined the effect over time of the use of sign language in a two-year period, including preschool and ending with kindergarten, on hearing children's language development. Found vocabulary gains, no evidence of memory decay over time, and positive evidence for inclusion of sign language instruction in early childhood education. (SD)

Oral language development in early childhood education is concerned with conceptual development as well as with skill formation. There seems to be an order in which most children learn to verbalize basic concepts. This guide lists classroom activities that may be used to facilitate and enhance the conceptual development of kindergarten children in…