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Results

#1. Jim repeatedly rings a small bell immediately before offering Dwight an Altoid, which causes Dwight’s mouth to dry up. After two weeks of this pairing, Dwight’s mouth begins to dry up merely at the sound of the bell, even without the Altoid. In this classic respondent conditioning example, what serves as the conditioned stimulus (CS)?

A. The Altoid

B. Dwight’s mouth drying up when he hears the bell

C. The small bell after it has been paired with the Altoid

D. Dwight’s desk

This scenario perfectly illustrates respondent conditioning Initially the small bell is a neutral stimulus NS that does not evoke the mouthdrying response The Altoid however is an unconditioned stimulus US because it naturally and automatically causes Dwights mouth to dry up unconditioned reflex UR Through repeated pairing the previously neutral small bell becomes associated with the Altoid Consequently the small bell acquires the ability to evoke the mouthdrying response on its own At this point the small bell transitions from being an NS to a conditioned stimulus CS and Dwights mouth drying up specifically in response to the bell becomes the conditioned reflex CR Option A the Altoid is the unconditioned stimulus Option B Dwights mouth drying up when he hears the bell is the conditioned reflex Option D Dwights desk is irrelevant to the conditioning process described

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