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Direct linkFahmie, 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
Peer reviewedVollmer, Timothy R.; Iwata, Brian A. – Journal of Applied Behavior Analysis, 1991
Five adult males with profound retardation were assessed on a motor task during baseline, satiation, and deprivation conditions, with three classes of consequences: small food items, music, and social praise. Each stimulus class functioned as reinforcement, with different degrees of effectiveness during satiation versus deprivation conditions.…
Descriptors: Adults, Males, Outcomes of Treatment, Performance Factors
