Dr. Barber teaches or has taught graduate level courses in special education research and classroom and behavior management, as well as undergraduate level courses in characteristics of students with high-incidence disabilities and evidence-based practices in special education. His research focuses on effective behavioral prevention and intervention strategies in educational settings, executive function and the self-regulation of behavior, issues related to social and emotional learning in schools, and understanding of setting factors affecting intervention implementation in exclusionary educational settings (e.g., residential treatment, juvenile corrections).