About the Authors

E. Mavis Hetherington is a professor of psychology at the University of Virginia. She obtained her Ph.D. in Psychology at the University of California at Berkeley. Professor Hetherington is a past President of Division 7, the Developmental Psychology Division of the American Psychological Association, and of the Society for Research in Child Development in Adolescence. Professor Hetherington has been editor of Child Development, associate editor of Developmental Psychology, and is currently associate editor of the Journal of Abnormal Child Psychology. She has authored and edited many books in the area of child development, two of the most recent being The Separate Social World of Siblings (with Reiss and Plomin) and Family Transitions (with Cowan). Her research interests are in the areas of childhood psychopathology, personality and social development, and stress and coping in families. Professor Hetherington is well known for her work on the effects of divorce, one-parent families and remarriage on children's development.

Ross D. Parke is Distinguished Professor of Psychology and director of the Center for Family Studies at the University of California, Riverside. He is a past President of Division 7, the Developmental Psychology Division, of the American Psychological Association, and in 1995 received the G. Stanley Hall Award from this APA division. Parke was elected a Fellow of the American Association for the Advancement of Science in 1997. He is currently editor of the Journal of Family Psychology and has served as editor of Developmental Psychology and as associate editor of Child Development. Parke is author of Fatherhood; co-author of The Throwaway Father, with Armin Brott; and co-editor of Family-Peer Relationships: In Search of the Linkages, with Gary Ladd, Children in Time and Place, with Glen Elder and John Modell, and Exploring Family Relationships with Other Social Contexts, with Sheppard Kellam. Parke’s research has focused on early social relationships in infancy and childhood. He obtained his Ph.D. from the University of Waterloo, Ontario, Canada and is well known for his early work on the effects of punishment, aggression, and child abuse and for his work on the father’s role in infancy and early childhood. His current work focuses on the links between family and peer social systems and on the impact of economic stress on families of diverse ethnic backgrounds.

Virginia Otis Locke has been a professional writer and editor for more than twenty years. She is an author of Introduction to Theories of Personality, with Calvin Hall, Gardner Lindzey, John Loehlin, and Martin Manosevitz, and of several other books. Both while a senior development editor at Prentice Hall and as a freelance writer-editor, Locke has developed many books in the behavioural sciences. As writer-editor at Cornell Medical College/New York Hospital Medical Center, she also wrote and edited professional and lay articles in the field of cardiovascular medicine. Locke received her B.A. from Barnard College and earned her M.A. in the doctoral clinical psychology program at Duke University. For several years she was a staff psychologist at St. Luke’s-Roosevelt Medical Center, New York City. Her biography is included in Who’s Who in America and Who’s Who of American Women. Locke is studying elementary education and plans to teach in the early grades.

Mark A. Schmuckler received his Ph.D from Cornell University, working with Eleanor J. Gibson and Carol L. Krumhansl. After a two-year post-doctoral at the University of Virginia, he moved to the University of Toronto at Scarborough, where he is a professor of Psychology. Schmuckler is currently an associate editor for the journal Music Perception, as well as being on the editorial board of Psychomusicology. Schmuckler’s research efforts have been divided into two streams of research. The first focuses on the processes involved in perceptual and motor development, as well as perceptual-motor integration, looking specifically at the role of perceptual information during the motor skill acquisition and motor performance. In his second line of work, Schmuckler explores the perceptual and cognitive processes involved in adults’ apprehension of musical structure, focussing specifically on the perception and production of pitch structures.