1. Michael H. Epstein received his EdD in special education from the University of Virginia. He is a professor of special education at Northern Illinois University. Research interests include adolescents with behavior disorders and the classification of behavior problems among students with mild handicaps. Address: Michael H. Epstein, Special Education, Northern Illinois University, DeKalb, IL 601 15.
2. Nirbhay N. Singh received his PhD from the University of Auckland. New Zealand. He is a professor of psychiatry at the Medical College of Virginia and director of research at the Commonwealth Institute for Child and Family Studies in Richmond, Virginia. His areas of interest are in child psychology and psychiatry.
3. Jerry Luebke received his EdD from Northern Illinois University in educational psychology. He is an evaluation specialist at the Center for Professional Education in St. Charles, Illinois. His areas of interest are in the classification of academic and behavior problems of students with mild handicaps and in evaluation methodology.
4. Chris E. Stout received his PhD in clinical psychology from Purdue University. He is director of the Department of Clinical Research and Evaluation at Forest Hospital and Foundation and is executive clinical director of the Forest Academies. His research interests are in child psychopathobgy, patient classification methodologies, and treatment alternatives.