期刊名称：Experimental Analysis of Human Behavior Bulletin (EAHB Bulletin)
电子版ISSN：1938-7237
出版年度：2007
卷号：25
出版社：Experimental Analysis of Human Behavior Special Interest Group
摘要：Experimental studies of stimulus equivalence typically have two phases: the first teaches a set of baseline conditional discriminations, and the second tests for emergent relations. For instance, after a participant learned baseline conditional discriminations AB and BC, emergence of conditional relations BA and CB documents symmetry, emergence of relation AC documents transitivity, and emergence of relation CA documents combined symmetry and transitivity. Positive results on tests for these properties document the formation of equivalence classes (e.g., Fields, Verhave, & Fath, 1984; Sidman & Tailby, 1982). Studies often omit tests for reflexivity and, less frequently, take combined symmetry and transitivity as the sole evidence of equivalence.
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