This is a book about the development of human language, how it serves as a means of communication between humans, and how it participates in the process of human thinking.
The author is interested in what lies behind the medium of communication, namely, the experiential world of the individual. His interest in child study becomes clear as he focuses on the verbal behavior and cognitive reactions of children as empirical evidence for his own theoretical positions or his criticisms of the theories of others. (He is a psychologist in the Department of Child Study, Vassar College.)
There are eight chapters in this book, divided into two parts of four chapters each. Part I presents some facts and basic principles of cognitive development. Chapters 1 and 2 deal with facts and principles of cognitive organization prior to the acquisition of language, and Chapter 3 relates how children come to