Document Type

Master's Culminating Experience

Publication Date



Attempts to improve substance use disorder (SUDs) treatment outcomes have been made by identifying subgroups of clients with psychoactive comorbidities and tailoring treatment approaches accordingly. This study sought to determine the prevalence of Attention-deficit Hyperactivity Disorder (ADHD) among admittees to a 28-day, residential program. It was hypothesized that ADHD screening and assessment would result in a higher prevalence rate when compared to the clinical record. It was further hypothesized that clients with ADHD would have higher, earlier unsuccessful terminations and higher overall unsuccessful terminations than non-ADHD clients. The differences in the prevalence rates (3.44% clinical record and 43.68% study psychologist) were statistically significant (p