Applied behavior analysis is a hybrid tradition with roots in many mental health disciplines. Even with these diverse origins, the professional practice of behavior analysis remains distinct and identifiable. Given these factors the professional practice special interest group (SIG) for the Association for Behavior Analysis International has…

The principle of motivation has resurfaced as an independent variable in the field of behavior analysis over the past 20 years. The increased interest is the result of the refinements of the concept of the motivating operation and its application to the learning needs of persons with developmental disabilities. Notwithstanding the increased…

Although it employs a relatively small array of behavioral concepts and processes, Relational Frame Theory provides an account of how some of the most complex verbal events can be understood behaviorally and may be established systematically. In the current paper, the findings from a research agenda that has clear and widespread implications for…

The primary core deficit in autism spectrum disorders is social development. While frequently acknowledged as a critical aspect of intervention for improved functioning, research on the specifics of social development and effective models of intervention is not commensurate with the acknowledged importance. We present a model of social competence…