Pierre R. Dasen is Professor Emeritus of Anthropology of Education and Cross-cultural Psychology at the Faculty of Psychology and Education of the University of Geneva.He studied developmental psychology in Geneva, was an assistant to J. Piaget, and received a PhD from the Australian National University. He studied the cognitive development of Aboriginal children in Australia, Inuit in Canada, Baoule in Cote d Ivoire, and Kikuyu in Kenya; he has also contributed to research in cognitive anthropology among the Yupno of Papua-New-Guinea, and in Bali. His research topics have included visual perc...