This article illustrates how to (a) use schoolwide data to monitor student responsiveness to primary and secondary prevention efforts to identify students for tertiary preventions and (b) design, implement, and evaluate a function-based intervention in collaboration with two general education teachers, who served as the primary interventionists.…

Data from the experimental functional analysis of challenging behaviors of 27 individuals with mental retardation were analyzed to assess agreement among three forms of interpretation. Results found that the methods of interpreting function from experimental assessment can give different results and that test-retest reliability of the experimental…

A study involving three individuals (ages 13-20) with developmental disabilities and problem behaviors examined the influential role that unanticipated idiosyncratic stimulus variables play in affecting the outcome of a functional analysis. Guidelines are discussed concerning when to suspect that idiosyncratic stimuli might be acting to influence…

A case study illustrates how the ongoing data-based monitoring of timeout use by parents enhanced the treatment of an 8-year-old boy, referred because of noncompliance in the home. Maintaining the timeout record enabled rapid refinements in the timeout procedure by providing a feedback mechanism to the therapist, identification of the need for…