The role that talk plays in socialization, social development, and possibly cognitive development is described. Research on talk is categorized as follows: studies that consider talk as a tool for investigation; studies that focus on development of grammar or language acquisition; and studies that fall between those extremes. (LB)

The past 20 years have seen research on language acquisition in the cognitive sciences grow immensely. The current paper offers a fairly extensive review of this literature, arguing that new cognitive theories and empirical data are perfectly consistent with core predictions a behavior analytic approach makes about language development. The review…

An ongoing longitudinal study, 15 years old at the time of publication, is reported. It is a sociolinguistic, developmental study of the acquisition of two languages, Spanish and English, by a boy from birth, with data drawn from direct observation and occasional tape recordings of speech. An introductory chapter outlines the objectives and method…