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Ortega, Javier Virues; Iwata, Brian A.; Nogales-Gonzalez, Celia; Frades, Belen – Journal of Applied Behavior Analysis, 2012
We conducted 2 studies on reinforcer preference in patients with dementia. Results of preference assessments yielded differential selections by 14 participants. Unlike prior studies with individuals with intellectual disabilities, all participants showed a noticeable preference for leisure items over edible items. Results of a subsequent analysis…
Descriptors: Dementia, Mental Retardation, Patients, Reinforcement
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Bourret, Jason C.; Iwata, Brian A.; Harper, Jill M.; North, Stephen T. – Journal of Applied Behavior Analysis, 2012
Five individuals with autism or other developmental disabilities participated in paired-stimulus preference assessments during repeated baseline probes. All subjects initially showed a pronounced bias by typically selecting the stimulus placed in either the left or right position. Biased responding for 3 subjects was eliminated when training…
Descriptors: Autism, Developmental Disabilities, Reinforcement, Mental Retardation