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Results

#1. Claire is participating in a stimulus equivalence training program. She is initially taught to match the written word Bell (Stimulus A) with a picture of a bell (Stimulus B). Subsequently, she is taught to match the picture of a bell (Stimulus B) with an actual, three-dimensional bell (Stimulus C). Finally, Claire is explicitly taught to match the actual bell (Stimulus C) with the written word Bell (Stimulus A). In the context of true stimulus equivalence, what critical element is absent, preventing this final CA pairing from being classified as derived transitivity?

The absence of reflexivity in the initial trained relations.

The fact that the final CA relation was explicitly taught rather than emerging untaught.

The need for a fourth stimulus to establish a complete equivalence class.

The use of different sensory modalities for the stimuli.

The provided text clearly emphasizes that for a relation to be considered true transitivity it has to be derived not taught Transitivity is a derived untaught stimulusstimulus relation that emerges as a product of two other stimulusstimulus relations eg if AB and BC are trained then AC and CA may emerge without direct training If the relation like the CA in this scenario is explicitly taught it is merely another trained conditional discrimination not a derived emergent relation indicative of true transitivity Reflexivity AA and symmetry if AB then BA are other derived relations but the key distinction for transitivity is its untaught emergence from other trained relations

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