Bücher von Barbel Inhelder

Here Piaget and Inhelder analyze the development of combining operations, which contributes to determining the relationships between chance, probability, and the operating mechanisms of the mind.

"A massive and most important study. . . . All teachers of young children should know the general outline of the work." -Evelyn Lawrence, British Journal of Educational Studies

This volume from Piaget's laboratory in Geneva deals primarily with the development of notions of measurement and geometrical concepts like coordinates, angles, and areas. It is a companion piece to The Child's Conception of Space.