In the 25 years since the publication of the article reprinted in this issue of "Behavioral Disorders", a tremendous amount of research and opinion has been published on the topics of functional analysis, functional assessment, and assessment-based interventions. In this commentary, we reflect on the context in which our original work…

This article describes intensive behavior intervention that is used with students who have behavioural difficulties. Joseph H. Wehby and Lee Kern report on 35 years of research in this area and note two conclusions: (1) Students with significant behavioral difficulties, including those with emotional disturbance (ED), have among the poorest social…

This study evaluated assessment-based curricular modifications designed to improve the classroom behavior of two elementary school students with emotional and behavioral disorders. Functional assessment data led to individualized modifications of assignments. Evaluation indicated the modifications resulted in reduced problem behavior and increased…