Which psychologist believed unconscious conflicts during the first five years of life are responsible for human personality differences? charles darwin sigmund freud william james?

The answer to which psychologist believed unconscious conflicts during the first five years of life is Sigmund Freud. Sigmund Freud, Freud established the psychoanalytic theory of personality development, which argued that personality is formed through conflicts among three fundamental structures of the human mind: the id, ego, and superego.