Over a period of six decades, Jean Piaget conducted a program of naturalistic research that has profoundly affected our understanding of child development.
Jean Piaget, M. E. Cartalis, S. Escher, A. Hanhart, L. Hahnloser, O. Matthes, S. Perret
Innehållsförteckning
Chapter I Grammar and Logic; Chapter II Formal Thought and Relational Judgments1With the collaboration of Mlle Emmy Cartalis.; Chapter III The Growth of Relativity in Ideas and Notions; Chapter IV How the Child Reasons; Chapter V Summary and Conclusions;