For the next two years Duckworth studied with Jean Piaget and Bärbel Inhelder at the Institut des Sciences de l'Education in Geneva, Switzerland.
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She grounds her work in Jean Piaget and Bärbel Inhelder's insights into the nature and development of understanding and intelligence and in their clinical research method.
Bärbel Schäfer | Bärbel Inhelder | Bärbel Bohley | Bärbel Wöckel |