MARTIN F. WISKOFF is a Senior Scientist at the Defense Personnel Security Research and Education Center, Monterey, and formerly the Director of the Manpower and Personnel Laboratory of the Navy Personnel Research and Development Center, San Diego. He is a past president of the Division of Military Psychology of the American Psychological Association and is the founder and editor of the Division journal, Military Psychology.GLENN M. RAMPTON is Assistant Vice-President (Human Resources) for York University in Toronto, Canada, and formerly the Commanding Officer of the Canadian Forces Personnel Applied Research Unit, Toronto. He is a past president of the Military Testing Association and he has been active in many professional associations at both the national and international level.