Counterconditioning techniques were derived from principles first developed by

a) ivan pavlov.
b) carl rogers.
c) b. f. skinner.
d) sigmund freud.

The answer is: A. Ivan Pavlov

Pavlov was the researcher who first popularized the classical conditioning  (where a certain conditioned response is created by associating a certain situation with a conditioned stimulus)

Counterconditioning was developed in order to reverse or reduce the effete of classical conditioning (usually carried out by enforcing positive reinforcement to the subjects)

answer; fair labor and standard act;

b because thats the naswer i got