Leslie A. Morrison, M.A. Board Certified Behavior Analyst

Leslie Morrison is a Board Certified Behavior Analyst currently practicing in Massachusetts. Leslie received a Bachelor’s Degree in Psychology from California State University, Fullerton, CA in 1993 and then a Master’s Degree in Behavior Analysis from the University of Kansas, Lawrence, KS in 1997. She became board certified as a Behavior Analyst in 2000.

Leslie first came into contact with applied behavior analysis (ABA) in 1994, when she worked as a Research Assistant at a state hospital in California. Soon after, Leslie attended Graduate School at the University of Kansas where she worked as an ABA Therapist and Clinical Team Leader. She also consulted with various elementary and junior high schools in the Kansas City area, focusing on socialization skills within the school environment between fully-included students with autism and peers within their classrooms. As a result, much of this research conducted by Leslie and her colleagues has been published in various journals.

Upon leaving the University of Kansas, Leslie worked as the Clinical Director for a nationally-based treatment center. As the Clinical Director, she created training seminars for parents, therapists, and professionals who worked with children with developmental disabilities, organized research projects, and created training protocols for other consultants and therapists. She also contracted with the St. Louis School District, where she assessed, implemented ABA treatment, and trained families, team members, and educators within both the school and home settings.

In 1999, Leslie became an independent Behavior Analyst. During the same year, she received training in teaching language to her clientele via the Analysis of Verbal Behavior (AVB). According to B. F. Skinner (Verbal Behavior, 1957), language is a type of behavior that develops because of reinforcement, motivation, extinction, and punishment coming from the environment. Skinner demonstrated in his research that language is a complex set of behaviors that come together based on conditions in the environment in which language is learned. Leslie has since incorporated much of the science of verbal behavior into her therapy and training.

Leslie moved to Arizona in 2001 where she conducted workshops and provided training to families and those who work with individuals with autism. She has also taught a course at Arizona State University (ASU) and worked closely with ASU faculty to provide further educational opportunities in ABA to the community. She also worked as the Project Coordinator for the Arizona State Department of Developmental Disabilities and Northern Arizona University’s Institute of Human Development, designing a training curriculum in behavior analysis for autism treatment, conducting pilot training protocols, developing test competencies and tracking providers who meet those competencies, as well as working with other professionals to open up state funding for ABA services at board-certified consultant levels.

In 2006, Leslie moved to Boston, Massachusetts to complete her PhD in Applied Behavior Analysis at Simmons College. In addition to completing her Doctoral Degree, she also develops on-line coursework in Early Intervention and Behavioral Interventions in Autism for the University of Massachusetts Medical School, Eunice Kennedy Shriver Center in Waltham, Massachusetts.

Leslie A. Morrison, M.A.
Board Certified Behavior Analyst
Boston, MA

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