Robert V. Kail is Distinguished Professor of Psychological Sciences at Purdue University. His undergraduate degree is from Ohio Wesleyan University and his Ph.D. is from the University of Michigan. Kail is editor of Child Development Perspectives and editor emeritus of Psychological Science. He received the McCandless Young Scientist Award from the American Psychological Association, was named the Distinguished Sesquicentennial Alumnus ... Read morein Psychology by Ohio Wesleyan University, and is a fellow of the Association for Psychological Science. Kail has also written CHILDREN AND THEIR DEVELOPMENT and SCIENTIFIC WRITING FOR PSYCHOLOGY. His research focuses on cognitive development during childhood and adolescence. John C. Cavanaugh is President and CEO of the Consortium of Universities of the Washington Metropolitan Area. He received his undergraduate degree from the University of Delaware and his Ph.D. from the University of Notre Dame. Cavanaugh is a fellow of the American Psychological Association, the Association for Psychological Science, and the Gerontological Society of America, and has served as president of the Adult Development and Aging Division (Division 20) of the APA. Cavanaugh has also written (with the late Fredda Blanchard-Fields) ADULT DEVELOPMENT AND AGING. His research interests in gerontology concern family caregiving as well as the role of beliefs in older adults' cognitive performance. Show Less