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Chavez-Brown, Mapy; Scott, Jack; Ross, Denise E. – Journal of Behavioral Education, 2005
This study measured the differential effects of simplified and typical verbal antecedents on acquisition of picture discriminations for four preschool children with autism. During baseline probes, participants emitted no correct selection responses to pictures of common stimuli during either simplified or typical verbal antecedent conditions.…
Descriptors: Autism, Visual Discrimination, Preschool Children, Reinforcement