Reviews "The Language Instinct: How the Mind Creates Language" (S. Pinker). Defines generative grammar, examines the evidence for Pinker's Generative Grammar as Instinct hypothesis, and discusses Pinker's use of language acquisition as support for the hypothesis. Suggests alternative theories of language that begin from different…

Investigated third and sixth graders' understanding of factive presupposition using two tasks: one requiring an abstract truth judgment of the verb complement, the other calling for informal judgment of consistency between the target sentence and the negation of its complement. Results indicated the development of factive presupposition is an…