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For fifty years Barbel Inhelder (1913-1997) was the research companion of Jean Piaget. In this unique volume, leading international researchers examine the various aspects of her work her ideas, and her contribution to developmental psychology

his book is the outcome of a long and passionate debate among world experts about two of the most pivotal figures of psychology: Jean Piaget and Lev Vygotksy.

For fifty years Bärbel Inhelder (1913-1997) was the research companion of Jean Piaget. In this unique volume, leading international researchers examine the various aspects of her work her ideas, and her contribution to developmental psychology