An analysis of sentence grammar is made to show that the ability to produce coherent texts emerges slowly and late in linguistic and cognitive development. (HP)

The development of sentence coordination in children using sentences conjoined by "and" was studied to test the adequacy of the transformationally based derivational theory of complexity. Two cross-sectional experiments were conducted using 18 sentence types with children between the ages of three and five. One experiment used an elicited…

This article clarifies the position taken in the Greenfield and Smith book (1976), including relation to speech act theory, and elucidates some general theoretical issues in early language development. (Author/NCR)

Two studies of concept development and categorization among 1-, 2-, and 3-year-old children suggest that concept formation is a socially guided process involving convergence on an adult model. Convergence in labeling is an early strategy for shaping children's category boundaries, while later, more elaborate linguistic means are used to…

This study explores the effect of information focus on the size of the unit decoded by a reader. Sixty students chosen at random from average reading groups in fourth, fifth, and sixth grade levels were studied. Each subject read orally 36 thematic sentence frames presented in random order. Each frame contained a point at which the visual display…

This paper proposes a broad outline of a variable model of language development and explores several particulars of such a model in the language behavior of four two-year-old children. The process by which information about language is progressively transformed and integrated rather than merely being added together can be seen in the shifting…