The major difficulty with Pavlov's stimulus-substitution theory is that the _____ are sometimes quite _____.
A) CR and UR; similar
B) CR and UR; different
C) CS and US; similar
D) CS and US; different

Question

Quizplus · Accepted Answer

The major difficulty with Pavlov's stimulus-substitution theory is that the conditioned responses (CR) and unconditioned responses (UR) can be quite different, challenging the idea that the conditioned stimulus simply substitutes for the unconditioned stimulus.

The Major Difficulty with Pavlov's Stimulus-Substitution Theory Is That the _____