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Results

#1. Claire is undergoing a language acquisition program. She is initially taught that the written word ‘Bell’ (Stimulus A) matches a picture of a bell (Stimulus B). Next, she is taught that the picture of the bell (Stimulus B) matches a real bell (Stimulus C). Finally, as part of her curriculum, Claire is explicitly taught that the real bell (Stimulus C) matches the written word ‘Bell’ (Stimulus A). The question asks what does this last taught pairing (C matches A) represent in the context of stimulus equivalence?

Reflexivity

Symmetry

Transitivity

A directly taught conditional discrimination

In stimulus equivalence derived relations are key Reflexivity AA Symmetry if AB is taught then BA is derived and Transitivity if AB and BC are taught then AC and CA are derived are all defined by untaught or emergent relations The text explicitly states that Claire was taught this was not derived derived implies untaught Therefore because the pairing of the real bell C matching the written word Bell A was explicitly taught as part of her curriculum it is not a derived relation Instead it is a directly taught conditional discrimination While the relation CA could be a transitive relation if it were derived the fact that it was taught means it does not meet the definition of derived transitivity

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