Question

what twentieth century scientist revolutionized the study of psychology?
○ albert einstein
○ sigmund freud
○ alexander fleming
○ philo farnsworth

Explanation:

Sigmund Freud developed psychoanalysis, a major school of thought in psychology, introducing concepts like the unconscious mind, defense mechanisms, and psychosexual development in the 20th - century, revolutionizing the field. Einstein was a physicist, Fleming was a biologist who discovered penicillin, and Farnsworth was an inventor in the field of television technology.

Answer:

B. Sigmund Freud