For 50 years Barbel Inhelder (1913-1997) was the research companion of Jean Piaget. In this volume, published in her honour, international researchers examine the various aspects of her work and ideas and her contribution to developmental psychology. While the essays explore Inhelder's work with her more famous colleague, they also highlight areas of research in which her ideas were at variance with those of Piaget, such as mental imagery, and areas in which her innovations have not been fully recognized, such as her discovery of the formal operations stage - an event usually attributed to...

For fifty years Barbel Inhelder (1913-1997) was the research companion of Jean Piaget. In this unique volume, published in her honour, leading international researchers examine the various aspects of her work and ideas and her contribution to developmental psychology.
Following an initial chapter establishing Inhelder's stature as an independent researcher in her own right, the various research topics that she explored are reviewed and discussed with specific reference to her own perspective and in the chronological order in which she approached them. While the book explores Inhelder's...