The effects of two positive reinforcement procedures were evaluated to increase contact with, proximity to, and acceptance of new foods in a young child with autism. During baseline, two groups of six food items were presented. One group was intervened on. The first condition involved a changing criterion contingency and social attention as a consequence. The second involved a shaping contingency and access to videos as a consequence. The types of contact emitted, the amount of time spent contacting the food, and two affect topographies were measured. The second procedure resulted in increased duration and variety of contact, and increases …
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The effects of two positive reinforcement procedures were evaluated to increase contact with, proximity to, and acceptance of new foods in a young child with autism. During baseline, two groups of six food items were presented. One group was intervened on. The first condition involved a changing criterion contingency and social attention as a consequence. The second involved a shaping contingency and access to videos as a consequence. The types of contact emitted, the amount of time spent contacting the food, and two affect topographies were measured. The second procedure resulted in increased duration and variety of contact, and increases of both affect topographies. Results are discussed in the context of food selectivity in autism, programming goals, and balancing intervention efficacy and restrictiveness.
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