Joseph, a student in the abnormal psychology class, says, "Why are we studying Freud? All he ever talked about was sex and his theory is totally outdated!" A valid response from his professor would be ____

a. "I agree. Your assessment of Freud's theory is correct."
b. "Let me show you how all of Freud's theories have been supported by modern research."
c. "Freud's focus on early childhood experiences, the role of the unconscious, and the use of insight continue to assert a pervasive impact on mental health practice."
d. "Freud's emphasis on sexuality as a precipitating factor in all mental disorders has been found to be totally valid."

c