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J Exp Anal Behav. 1982 Jan;37(1):23-44.

A search for symmetry in the conditional discriminations of rhesus monkeys, baboons, and children.

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.

PMID:
7057127
PMCID:
PMC1333116
DOI:
10.1901/jeab.1982.37-23
[Indexed for MEDLINE]
Free PMC Article

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