Martha J. Cox, Ph.D., is Director of the Center for Developmental Science and Professor of Psychology at the University of North Carolina at Chapel Hill. Dr. Cox is known for her studies of families and young children and for her methodological contributions to the observational analysis of family interactions. Since the 1980s, she has studied the early years of family development and the processes of reorganization of families over the transition to parenthood and the transition to school with a special emphasis on the role of family relationships, including parent-child and marital relations...