John B. Watson claimed that all behavior is the result of

a. psychoanalysis.

b. reinforcement.

c. genetic makeup.

d. conditioning

John Watson was a known behaviorist. John Watson adopted Ivan Pavlov's model of "classical conditioning," and used it in his famous experiment with Little Albert. This was a nine-month old boy who freaked out on anything white and fluffy. The answer to this problem is D. conditioning