This article reviews the psychoeducational, behavioral, and ecological models underlying educational services to students with behavior disorders. Models are compared for their explanatory nature, implications for intervention, and how they address the scientific approach to behavior disorders. (DB)

An ecological orientation emphasizing systemlike interdependencies among environment, organism, and behavior suggests several substantial additions to conventional role functions of behavioral school psychologists. Such functions involve taking an active part in evaluating and assessing second-order consequences of behavioral interventions.…