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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Analysis of free-time contingencies as positive versus negative reinforcement.
    Author: Zarcone JR, Fisher WW, Piazza CC.
    Journal: J Appl Behav Anal; 1996; 29(2):247-50. PubMed ID: 8682741.
    Abstract:
    Providing a short break contingent on completed work may increase responding through positive reinforcement (e.g., access to preferred activities) or negative reinforcement (e.g., escape form work). In this investigation, three analyses conducted with a boy with profound mental retardation showed that (a) a 20-s break increased responding more than a positive reinforcer (cola) did, and (b) the reinforcing effect of a 20-s break were affected by the availability of positive reinforcers during the break were affected by the availability of positive reinforcers during the break.
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