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Carter, Stacy L. – Education and Training in Developmental Disabilities, 2009
The effects of a pica exchange procedure were evaluated on the pica of a female with severe mental retardation. A BAB design revealed that the pica exchange procedure was effective at reducing the occurrence of pica. In addition, the pica exchange procedure was effective throughout six increasingly more difficult response effort conditions.…
Descriptors: Severe Mental Retardation, Behavior Disorders, Females, Behavior Modification
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Pino, Olimpia; Dazzi, Carla – Education and Training in Developmental Disabilities, 2005
Previous research has shown that stimulus preference assessments based on caregiver-opinion did not coincide with results of a more systematic method of assessing reinforcing value unless stimuli that were assessed to represent preferences were also preferred on paired stimulus presentation format, and that the relative preference based on the…
Descriptors: Stimuli, Positive Reinforcement, Context Effect, Predictor Variables