Baer, Wolf, and Risley

Baer, Wolf, and Risley. Donald M. Baer, Montrose M. Wolf, and Todd R. Risley were pioneering psychologists whose collaborative work established the foundational criteria for the field of applied behavior analysis (ABA). Their seminal 1968 article, "Some current dimensions of applied behavior analysis," published in the inaugural issue of the Journal of Applied Behavior Analysis, systematically outlined the essential characteristics that distinguish applied behavioral research. Their conceptual framework has profoundly shaped research methodologies and professional practice across domains such as autism intervention, education, and clinical psychology.

Background and Education

Donald M. Baer earned his doctorate from the University of Chicago and became a prominent figure at the University of Kansas, where he collaborated extensively with James A. Sherman. Montrose M. Wolf, a student of B.F. Skinner at Harvard University, completed his doctoral work and later joined the faculty at the University of Kansas, where he became a key architect of the University of Kansas Department of Human Development. Todd R. Risley also earned his doctorate from the University of Kansas and held academic positions at the University of Arizona and the University of Alaska Anchorage. Their paths converged at the University of Kansas, a leading center for behavior analysis under the influence of B.F. Skinner and Fred S. Keller, where they were instrumental in developing the Journal of Applied Behavior Analysis.

Contributions to Applied Behavior Analysis

In their landmark 1968 paper, Baer, Wolf, and Risley articulated seven core dimensions that define applied behavior analysis. These dimensions, including applied, behavioral, analytic, technological, conceptual systems, effective, and generality, provided a rigorous standard for evaluating behavioral interventions. They argued that applied research must investigate socially significant behaviors, demonstrate reliable measurement and experimental control, and produce practical, replicable outcomes. Their work directly influenced the development of early intervention programs for children with autism, such as those pioneered by O. Ivar Lovaas at the University of California, Los Angeles. Furthermore, their principles underpin practices in organizational behavior management and behavioral safety.

The Journal of Applied Behavior Analysis

Baer, Wolf, and Risley were founding editors of the Journal of Applied Behavior Analysis (JABA), which published its first issue in 1968 under the auspices of the Society for the Experimental Analysis of Behavior. The journal was created to provide a dedicated outlet for research that met the applied dimensions they outlined. The inaugural issue, featuring their defining article, set the editorial standard for the field. JABA quickly became the premier publication for studies on behavior modification, token economies, and interventions in settings like the University of Washington's Experimental Education Unit. The journal's establishment was a pivotal event in the professionalization of applied behavior analysis, paralleling the growth of the Association for Behavior Analysis International.

Legacy and Influence

The conceptual framework of Baer, Wolf, and Risley remains the bedrock of applied behavior analysis and is integral to the credentialing standards of the Behavior Analyst Certification Board. Their dimensions guide contemporary practice in early intensive behavioral intervention for autism spectrum disorder and inform educational strategies in special education. Their emphasis on social importance and accountability influenced later movements like positive behavior support. Institutions such as the New England Center for Children and the Kennedy Krieger Institute base their methodologies on these principles. Their collective legacy is honored through awards like the Don Hake Award and the ABA International Award for Distinguished Service to Behavior Analysis.

Selected Publications

* Baer, D.M., Wolf, M.M., & Risley, T.R. (1968). Some current dimensions of applied behavior analysis. *Journal of Applied Behavior Analysis*, 1(1), 91-97. * Wolf, M.M., Risley, T.R., & Mees, H.L. (1964). Application of operant conditioning procedures to the behaviour problems of an autistic child. *Behaviour Research and Therapy*, 1(2-4), 305-312. * Baer, D.M., & Wolf, M.M. (1970). The entry into natural communities of reinforcement. In R. Ulrich, T. Stachnik, & J. Mabry (Eds.), *Control of human behavior* (Vol. 2). Scott, Foresman and Company. * Risley, T.R. (2005). Montrose M. Wolf (1935-2004). *Journal of Applied Behavior Analysis*, 38(2), 279-287.

Category:American psychologists Category:Behaviorism Category:University of Kansas alumni