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Applied behavior analysis (ABA), also referred to as behavioral engineering,[1][2] is a psychological discipline that applies the principles of learning based upon respondent and operant conditioning to change socially significant behavior. ABA is the applied form of behavior analysis; the other two are: radical behaviorism (or the philosophy of the science) and experimental analysis of behavior, which focuses on basic experimental research.[3]
The term applied behavior analysis has replaced behavior modification because the latter approach suggested changing behavior without clarifying the relevant behavior-environment interactions. In contrast, ABA changes behavior by first assessing the functional relationship between a targeted behavior and the environment, a process known as a functional behavior assessment. Further, the approach seeks to develop socially acceptable alternatives for maladaptive behaviors, often through implementing differential reinforcement contingencies.
Although ABA is most commonly associated with autism intervention, it has been used in a range of other areas, including substance abuse, organizational behavior management, behavior management in classrooms, and acceptance and commitment therapy.[4][5][6]
ABA is considered controversial by some within the autism rights movement due to a perception that it emphasizes normalization instead of acceptance and a history of, in some forms of ABA and its predecessors, the use of aversives, such as electric shocks.[7][8]
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