In an experiment conducted by Ivan Pavlov’s colleague, Dr. Podkopaev, a dog was injected with a small dose of the nauseating drug apomorphine and a tone was played in the background. After numerous conditioning trials, the tone alone elicited outwardly
visible signs of nausea in the drug-free animal. In this experiment, the tone acted as
a. a neutral stimulus.
b. an unconditioned stimulus.
c. a conditioned stimulus.
d. a conditioned response.
e. both a. and c.
Answer: E
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Answer the following statement true (T) or false (F)
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