John R. Graham, Ph.D., is Professor and Chair in the Department of Psychology at Kent State University. A recognized authority on the MMPI, MMPI-2, and MMPI-A, Dr. Graham was a key contributor to the development of MMPI-2 and the MMPI-A. He is the author of The MMPI: A Practical Guide (oxford University Press, 1977, 1987) and the co-author of Psychological Testing, Development and Use of the MMPI-2 Content Scales, and MMPI-A Content Scales: Assessing Pyschopathology in Adolescents.