Pavlov believed that a physiological change caused an animal to react to the CS as if it were the UCS. Which of the following is evidence AGAINST that idea?

a. Conditioning occurs faster with an unfamiliar CS than with a familiar CS.
b. In some cases extinction is followed by spontaneous recovery

c. In some cases the CR does not resemble the UCR.
d. Conditioning occurs faster with a strong UCR than with a weaker UCR.

c

Psychology

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magnesium and B vitamins iron and calcium sodium and potassium vitamins A and C

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