The correct option is A.
John B. Watson believed that psychology should be the science of <u>observable behavior.</u>
<h3>What is observable behavior?</h3>
What you can see someone else doing is considered their observable conduct. This encompasses activities like walking, talking, sitting, singing, hugging, eating, sleeping, and other similar activities. Mental and emotional states and acts that cannot be seen in the physical world are examples of unobservable behaviors.
<h3>Who is
John B. Watson ?</h3>
Behaviorism became a recognized psychological school thanks to American psychologist John Broadus Watson, who popularized the scientific theory behind it. Watson promoted this shift in the field of psychology with his 1913 Columbia University speech, Psychology as the Behaviorist Views It.
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I understand that the question you are looking for is :
John B. Watson believed that psychology should be the science of
a. observable behavior.
b. cognitive processes.
c. genetic predispositions.
d. all of these factors.
