Answer:
A. Stimulated the discovery of new knowledge.
Explanation:
Sigmund Freud was the developer of psychoanalysis. Psychoanalysis is the method that helps in the treatment of mental illnesses and the study of human behavior. In this method of mental illness treatment, the person's repressed emotions and thoughts are made conscious thus helping them to come from unconscious to conscious state of mind.
<u>Though his theories of personality development are criticized but it helped in the development of new knowledge of psychoanalysis. His work's helped in the development of further new theories and studies in the same field of knowledge</u>.
So, the correct answer is option A.
