Pavlov Found That a Conditioned Response Would Be Stronger If

Multiple Choice

Pavlov found that a conditioned response would be stronger if which of the following occurred?

A) The unconditioned stimulus (US) was always presented before the conditioned stimulus (CS) .
B) The conditioned response (CR) always occurred before the unconditioned response (UR) .
C) There were many pairings of the conditioned stimulus (CS) and the unconditioned stimulus (US) .
D) The interval between the conditioned response (CR) and unconditioned response (UR) was only a few seconds.