This article provides a review of current literature on the comparative validity of different functional assessment and analysis strategies. It describes functional assessment as an outcome-driven process and explains observational assessment strategies and using assessment information to plan interventions. A proposed process for teachers and…

This article introduces this special issue on functional assessment methods and their application to children and youth with autism. It traces the 30-year history of functional assessment and briefly summarizes each of the following articles, noting the common emphasis on social validity and using the science and technology of functional…

This article suggests possible applications of experimental analyses using analogues to empirically verify results of functional assessments in classrooms for students with autism and related disabilities. Analogue assessments involve creating conditions in which antecedents and consequences are held constant and specific variables suspected to…