Douglas W. Woods, PhD, received his doctorate in clinical psychology from Western Michigan University in 1999. He is a recognized expert in the assessment and treatment of tic disorders and trichotillomania and is currently associate professor and director of clinical training in the Department of Psychology at the University of Wisconsin, Milwaukee. Woods has authored or coauthored more than ninety papers and chapters and has edited two book describing behavioral interventions for tic disorders, trichotillomania, and other repetitive behavior problems. He has presented his work nationally and...