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Fahmie, Tara A.; Iwata, Brian A. – Journal of Applied Behavior Analysis, 2011
A literature search identified 17 articles reporting data on 34 subjects who engaged in precursors to severe problem behavior, which we examined to identify topographical and functional characteristics. Unintelligible vocalization was the most common precursor to aggression (27%) and property destruction (29%), whereas self- or nondirected…
Descriptors: Positive Reinforcement, Negative Reinforcement, Behavior Problems, Identification