This investigation examined how two commonly employed measures of functional impairment (the "Child and Adolescent Functional Assessment Scale" [CAFAS] and the "Global Assessment of Functioning" [GAF] scale) perform with respect to assessing levels of functional impairment and, hence, identifying rates of serious emotional…

Individuals who engage in problem behavior should be taught an appropriate behavior that meets the same function and replaces the problem behavior. Often, there are several appropriate replacement behaviors, and guidance is needed to choose among them. This study employs a hybrid single subject design with a baseline, alternating treatments, and…