Mark earned his Educational Specialist (Ed.S.) degree in School Psychology from the University of Iowa in 1982. Mark worked as a school psychologist with the Grant Wood Area Education Agency in Cedar Rapids, Iowa for four years prior to earning his doctorate in school psychology from the University of Iowa in 1986. Mark completed his post-doctoral training as a Pediatric Psychologist within the Department of Pediatrics within the College of Medicine at the University of Iowa. He has written extensively on functional behavioral assessment, single-subject research methods, and the use of empirically-based interventions for students with developmental and behavioral difficulties. He is certified and licensed as a psychologist and is a Board Certified Behavior Analyst-Doctoral.
Brown-Chidsey, R. & Steege, M.W. (2005). Response to intervention: Principles and strategies for effective practice. New York: Guildford Press.