Interface Delay is a theory of syntactic development, which attempts to explain an array of constructions that are slow to develop, which are characterized by being sensitive to discourse-pragmatic considerations of the type associated with the natural semantic class of definites. The theory claims that neither syntax itself, nor the…

Discusses the concept of metalinguistic awareness and describes the administration of the Test of Metalinguistic Ability (TAM) to 300 Italian elementary school children. (34 references) (CFM)

Comments on the article by Jones and Smith in this issue. Describes a program of research that demonstrates the important influence of perception on the structure of concepts. Proposes that both perceptual and nonperceptual information are important to conceptual structure throughout the continuum of knowledge acquisition and that perception is a…

Presents conversations of a group of fifth graders collaborating on a social studies task to illustrate how childen use language to learn. Focuses on one student whose oral language was rapid and chaotic but who demonstrated extremely sophisticated and complex structuring of knowledge to understand a particular social studies concept. (HTH)