Leon Kuczynski, Ph.D., is a professor in the Department of Family Relations and Applied Nutrition at the University of Guelph, Ontario Canada. He received his Ph.D. in Developmental Psychology at the University of Toronto and did post-doctorate work at the Laboratory of Developmental Psychology, National Institute of Mental Health, Bethesda, Maryland, prior to his current position. His research concerns processes in parent-child interactions and parent-child relationships in areas such as socialization and social development.