Question

One of the earliest psychologists to advocate for a behavioral approach to the study of psychology and development, ________, argued that controlling a person’s environment could elicit virtually any behavior from him or her.

Answer 1

Answer:

John Broadus Watson

Explanation:

John Watson's full name is John Broadus Watson. He was an American  psychologist of the early 19th century. He played a very important role in developing  behaviorism. John Broadus Watson is highly remembered for establishing his Psychological School of Behaviorism. John B. Watson always played importance in the belief that psychology is primarily a scientific and observable behavior.

Thus the answer is John Broadus Watson.