Bücher der Reihe Topics in Cognitive Development

This is the second volume in a series that records the official Symposium Pro ceedings of the Jean Piaget Society. The Jean Piaget Society was founded to provide a forum in which scholars and educators could examine and explicate the concepts of genetic epistemology.

Professor Piaget's address, presented at the First Annual Symposium of the Jean Piaget Society in May, 1971, highlights the papers within this volume.