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Direct linkRooker, Griffin W.; Iwata, Brian A.; Harper, Jill M.; Fahmie, Tara A.; Camp, Erin M. – Journal of Applied Behavior Analysis, 2011
Functional analysis (FA) methodology is the most precise method for identifying variables that maintain problem behavior. Occasionally, however, results of an FA may be influenced by idiosyncratic sensitivity to aspects of the assessment conditions. For example, data from several studies suggest that inclusion of a tangible condition during an FA…
Descriptors: Behavior Problems, Reinforcement, Identification, Research Methodology
Peer reviewedLerman, Dorothea C.; Iwata, Brian A. – Journal of Applied Behavior Analysis, 1996
This paper presents a method for distinguishing between extinction and punishment effects. In extinction and punishment, different schedules of reinforcement or punishment are in effect when a given proportion of responses is blocked. Response patterns in treatment of hand mouthing in an adult with profound mental retardation suggest that a…
Descriptors: Adults, Behavior Modification, Behavioral Science Research, Case Studies
Peer reviewedIwata, Brian A.; And Others – Journal of Applied Behavior Analysis, 1994
Data are summarized from 152 single-subject analyses of the reinforcing functions of self-injurious behavior (SIB) in individuals with developmental disabilities. Overall results indicated that functional analysis methodologies are extremely effective in identifying the environmental determinants of SIB on an individual basis and, subsequently, in…
Descriptors: Case Studies, Developmental Disabilities, Environmental Influences, Evaluation Methods
Peer reviewedGoh, Han-Leong; Iwata, Brian A. – Journal of Applied Behavior Analysis, 1994
The self-injurious escape behavior of an adult with developmental disabilities was treated with extinction. Results of a reversal design showed substantial bursts of responding when extinction was introduced and reintroduced: self-injury remained at a variable and elevated rate for some time before stable, low rates were observed. (Author/DB)
Descriptors: Adults, Behavior Modification, Behavioral Science Research, Case Studies
Peer reviewedFisher, Wayne W.; Iwata, Brian A. – Journal of Applied Behavior Analysis, 1996
Discussion of the functional relationship between self-injurious behavior (SIB) and self-restraint in people with severe disabilities considers SIB and self-restraint as members of the same functional response class, SIB and self-restraint as functionally independent responses, access to self-restraint as positive reinforcement of SIB, termination…
Descriptors: Behavior Patterns, Behavior Problems, Behavioral Science Research, Case Studies
Peer reviewedShirley, Melissa J.; Iwata, Brian A.; Kahng, Sung Woo – Journal of Applied Behavior Analysis, 1999
Results of a functional analysis indicted that the hand mouthing of a woman with profound mental retardation was maintained by multiple sources of control (sensory stimulation and access to a leisure item). Hand mouthing, though maintained by automatic reinforcement, was also susceptible to social contingencies when exposed to them during…
Descriptors: Adults, Behavior Modification, Behavior Problems, Behavioral Science Research
