The Early Growth of Logic in the Child

This is Volume XXI of thirty-two in a series of Developmental Psychology. Originally published in 1946, it looks the classification and seriation and the growth of logic in young children and this study incorporates the results obtained from the examination of a total of 2,159 children. TRANSLATOR’S INTRODUCTION I. Classification and Inference II. Co-ordination III. Two Levels of Inference INTRODUCTION I. GRAPHIC COLLECTIONS II. NON-GRAPHIC COLLECTIONS CONDITIONS OF CLASS-INCLUSION IV. CLASS INCLUSION AND HIERARCHICAL CLASSIFICATIONS V. COMPLEMENTARY CLASSES VI. MULTIPLICATIVE CLASSIFICATION (MATRICES) VII. FLEXIBILITY IN HINDSIGHT AND FORESIGHT VIII. THE CLASSIFICATION OF ELEMENTS PERCEIVED BY TOUCH IX. SERIATION X. MULTIPLE SERIATION, CONCLUSIONS