Discusses how Type-Token Ratios (TTRs) have been used in a variety of research efforts in speech communication, including studies of the interactions between source credibility, motivation, cognitive states, and context with language use. Describes the two versions of a TTR computation program that are available in BASIC. Presents sources…

Examines the syntactic and stylistic features of an emergent phenomenon called Interactive Written Discourse (IWD), the written language occurring in simultaneous terminal-to-terminal typed dialogues. Finds that IWD is a naturally occurring register and a hybrid language variety, displaying characteristics of both oral and written language. Notes…

Three high-achieving and three low-achieving 4-year-olds attending prekindergarten at a private elementary school in New Orleans, Louisiana were studied as they interacted with computers in dyads. Subject pairs were composed of one high- and one low-achiever and varied according to sex: boy/boy, boy/girl, and girl/girl. Qualitative methods of…