In the past two decades, positive behavior support (PBS) has emerged from applied behavior analysis (ABA) as a newly fashioned approach to problems of behavioral adaptation. ABA was established in the 1960s as a science in which learning principles are systematically applied to produce socially important changes in behavior, whereas PBS was…

This article discusses the contributions of applied behavior analysis (ABA) in effective instruction of students with autism spectrum disorders. Emphasis is on the use of antecedent interventions and curriculum-based assessment. It also notes that the principles and methods of ABA are being integrated into routine educational procedures, including…

This article describes the advantages a functional assessment of instructional conditions offers to teachers dealing with student problem behavior and discusses teacher instructional practices found to be proximal to student learning and on-task behavior. Reasonable hypotheses are suggested for the function of problem behavior as it relates to…