Which of the following was NOT a factor in psychology's cognitive revolution?
a. the development of the computer, which became a model of the human mind
b. B. F. Skinner's admission that behaviorism had reached its limits
c. improved research techniques that allowed researchers to infer mental processes from observable behavior
d. Advances in technology that allowed researchers to directly measure the activity of brain cells
Answer: B. B. F. Skinner's admission that behaviorism had reached its limits