Anne-Nelly Perret-Clermont is professor of psychology and education at the University of Neuchatel, Switzerland. She studied in Geneva with Jean Piaget and prepared a degree in vocational guidance at the University of Lausanne and a Master in child development at the University of London. Her doctoral dissertation in social psychology in Geneva was concerned with a Vygotskian reading of the role of social interactions in cognitive development. She has been involved in professional training for child care, primary and secondary education, and youth work. Her research interests concern a socio-c...