TOEFL Listening: ETS-TOEFL听力机经 - 1OZ6M3M29_WE8HD9P$

What is the main purpose of the lecture? A. To describe new technology that is being used to research decision-making processes B. To explore techniques that can be used to help consumers behave more rationally C. To consider how emotions can influence the economic decisions that people make D. To show how psychologists and economists have reached different conclusions regarding emotions