The study summarized in this paper deals with the grammatical analysis of the spontaneous speech of approximately 150 children who are classified as mentally disabled; educable (I.Q. range 50-80). The performance of these mentally disadvantaged children is compared with the performance of 200 normally developing children by using a clinical…

This book introduces beginning students of linguistics at all levels and general readers to the study of language, providing an overview of key topics and an explanation of basic terms and ideas. The book is also designed to encourage the reader to think about the way language works and reconsider some popular misconceptions about language and…

If the question of what it is that is innate is simply left as some kind of human learning potential, this position, representative of the nativist philosophy, does not differ radically from that of behaviorists. The latter position holds that a human being starts out with a mind which is basically empty and receptive to, subject to, and the…

This paper is concerned with the Aristotelian notion of "universal" as applied to phonological phenomena. It is claimed that speech production in children and adults, in normal and deviant speakers, and in a variety of languages, can all be described according to the same universal phonological rules which constitute the universal process of…