Department of Special Education
Gonzaga University, Spokane, Washington, USA
Dr. Mark Derby is a licensed psychologist and a faculty member at Gonzaga University. He completed his training at the University of Iowa and Johns Hopkins School of Medicine. Dr. Derby is a member of the Association for Applied Behavior Analysis and the American Psychological Association, and has published numerous articles. His research interests include the assessment and treatment of severe problem behavior.
Assessment and treatment of severe problem behavior