TOEFL Listening: ETS-TOEFL听力机经 - ZDP1FTR1AW43C48OP$

Why does the professor discuss B. F. Skinner? A. To express doubt that he actually had much influence on economics B. To argue that his experiments on emotions were poorly designed C. To Explain the origins of the terms integral emotions and incidental emotions D. To explain why social scientists disregarded the study of emotions for many years