After a subject has developed a classically conditioned response, an investigator begins presenting the conditioned stimulus by itself. which of the following is likely to occur? a. extinctionb. stimulus generalizationc. spontaneous recoveryd. acquisition

The answer is A. extinction.

Explanation:

The process in which a subject learns the association of the conditioned stimulus with a consequence is called acquisition; on the other hand, when a subject gradually stops making this association, it is called extinction.

In the example, if the conditioned stimulus is shown without any consequence, the subject is likely to stop presenting a conditioned response.

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