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A search for symmetry in the conditional discriminations of rhesus monkeys, baboons, and children.
Authors:M Sidman   R Rauzin   R Lazar   S Cunningham   W Tailby     P Carrigan
Abstract:Procedures for generating arbitrary matching-to-sample performances may generate only conditional discriminations. Rational grounds for this distinction are proposed, based on the properties that any equivalence relation must possess. Empirical tests are described for determining whether subjects trained on conditional discriminations are also engaged in true matching to sample. A series of studies than leads to the conclusion that proof of true matching to sample by monkeys, pigeons, or baboons is yet to be provided. Whether the absence of such proof reflects experiential factors or species-defined limitations is not presently clear.
Keywords:conditional discrimination  matching to sample  stimulus equivalence  stimulus classes  stimulus control  key press  monkeys  baboons  children
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