Margaret T. Hearn has spent over 30 years in the field of psychology. She holds a Ph.D. in counseling psychology from the University of Western Ontario. She has had extensive practical and research experience in clinical health psychology with children and adults at London Health Sciences Centre. Before retirement, her involvement was in the area of hospital management. Dr. Hearn has served as a teacher in the departments of psychology, psychiatry and pediatrics at the University of Western Ontario. She is the author of many books, chapters, articles and papers. In addition she has had extensi...