Jerome Kagan (Ph.D., Yale University) is former chair of the psychology department at Harvard University and is world renowned for his work on temperament in children. At Harvard, Dr. Kagan's research on the cognitive and emotional development of a child during the first decade of life focused on the origins of temperament. He has tracked the development of inhibited and uninhibited children from infancy to adolescence. He served on the National Institute of Mental Health and on the National Research Council Julius Segal was a recognized authority on coping with psychological trauma and served for 30 years as director of the scientific and public information programs for the National Institute of Mental Health. Dr. Segal taught psychology at George Washington University and the University of Maryland and lectured extensively throughout the United States. Dr. Segal, the author of eight books and over 250 articles on mental health and human development, received his Ph.D. from Catholic University. Dedicated to making psychology accessible to the public, Dr. Segal served as contributing editor and monthly columnist for Parents Magazine Don Baucum is an Associate Professor and a member of the primary faculty of the Department of Psychology at the University of Alabama. His Ph.D. is in General Experimental Psychology, and he has extensive training in clinical psychology as well. He currently divides his professional time between teaching and writing. Courses include personality, social psychology, introductory statistics, research methods, developmental psychology, and psychology of learning -- along with numerous offerings of introductory psychology Carolyn D. Smith, is a freelance writer. She has lent her writing expertise to other psychology texts about child development