Pavlov believed that pairing a CS with a UCS necessarily led to classical conditioning.Which of the following is evidence AGAINST that idea?
A)In most cases, the CR resembles the UCR.
B)Repeatedly omitting the UCR leads to extinction.
C)Conditioning fails if the UCS occurs alone as often as it occurs after the CS.
D)A more intense CS leads to a more intense CR.

Question

Pavlov believed that pairing a CS with a UCS necessarily led to classical conditioning.Which of the following is evidence AGAINST that idea?​
A)In most cases, the CR resembles the UCR.
B)Repeatedly omitting the UCR leads to extinction.​
C)Conditioning fails if the UCS occurs alone as often as it occurs after the CS.​
D)A more intense CS leads to a more intense CR.​

Quizplus · Accepted Answer

This statement suggests that the UCS alone (without the CS) is enough to produce the UCR, and thus pairing the CS with the UCS is not necessary for classical conditioning to occur. This contradicts Pavlov's belief that such pairing is necessary.

Pavlov Believed That Pairing a CS with a UCS Necessarily