This bibliographic review aims to present a single comprehensive source of references to facilitate clinical application of data obtained on the vocal activity of normal infants and to facilitate continued research on prelinguistic vocal output. The bibliography cites the published observational, empirical, and theoretical reports that examine the…

Study examined speech complexity among 22 sets of parents and their school-age children during two time periods approximately one year apart. Parents and children were videotaped while completing a block design task and their conversations were transcribed. Speech patterns were found to differ at the two times. (Author/BN)

Explores the underlying knowledge that children have about the relationship between the structure of requests and the relative status of speakers and listeners. Shows that the three age groups (preschoolers, 5-year-olds, and 10-year-olds) could systematically differentiate the requests by means of syntactic directness or semantics. (HOD)