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Direct linkMacKay, Harry A.; Wilkinson, Krista M.; Farrell, Colleen; Serna, Richard W. – Journal of the Experimental Analysis of Behavior, 2011
Sidman (1994) noted that the existence of a member that is common to more than one class may produce either class merger (union) or class intersection. A multiple-selection, matching-to-sample test was developed to examine the conditions under which these outcomes occur. Test trials each required three conditional discriminations involving…
Descriptors: Stimuli, Classification, Semantics, Adults
