Valuation Alteration: Stimuli Increase in Value When Preschoolers Deliver Them to Peers.

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    • Abstract:
      We tested the effects of the repeated delivery of metal nuts to peers on the establishment of them as preferred stimuli for 4 preschool children. Prior to the conditioning procedure, metal nuts were relatively nonpreferred stimuli for the participants, as indicated by responses to mastered and acquisition tasks. We used pre- and postconditioning tests of reinforcer effectiveness, which included an ABAB reversal design for a mastered task and an AB design replicated across 4 acquisition tasks, delayed across participants. During the conditioning procedure, the participants were instructed to deliver a metal nut to a peer at the sound of a beep while they were denied access to the nuts themselves. Conditioning sessions continued until the participants demonstrated a low rate of delivery. Postconditioning tests demonstrated that repeatedly delivering the metal nuts to peers resulted in the metal nuts functioning as preferred stimuli for all participants. [ABSTRACT FROM AUTHOR]
    • Abstract:
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