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Roane, Henry S.; Call, Nathan A.; Falcomata, Terry S. – Journal of Applied Behavior Analysis, 2005
In the current investigation, we evaluated the effects of open and closed economies on the adaptive behavior of 2 individuals with developmental disabilities. Across both types of economy, progressive-ratio (PR) schedules were used in which the number of responses required to obtain reinforcement increased as the session progressed. In…
Descriptors: Adjustment (to Environment), Positive Reinforcement, Developmental Disabilities, Economic Factors
Wallace, Michele D.; Iwata, Brian A.; Hanley, Gregory P. – Journal of Applied Behavior Analysis, 2006
We examined some conditions under which a response acquired as a tact might facilitate the establishment of a mand. We taught 3 participants with developmental disabilities to tact the items ranked highest and lowest in a preference assessment and subsequently tested to see if the responses occurred as mands. All participants manded for the highly…
Descriptors: Needs, Responses, Developmental Disabilities, Verbal Communication