He specializes in the assessment and treatment of behavioral and developmental disorders in infancy and childhood. Carl is a recipient of the Outstanding Counselor Educator Award by the Southern Association for Counselor Education and Supervision (SACES) and the Donald Hood Research Award for the Association for Assessment in Counseling and Education (AACE). Carl has authored over 60 articles and book chapters and is co-author of The Peace Train: A School-Wide Violence Prevention Program (Educational Media, 1999).