Interviews with industry experts individuals knowledgeable about the firm and the industrymay help formulate the marketing research problem. Which of the following statements is true about interviews with industry experts?
A) These experts may be found both inside and outside the firm.
B) Typically, expert information is obtained by unstructured personal interviews without administering a formal questionnaire.
C) It is helpful to prepare a list of topics to be covered during the interview.
D) All of the above are true.
Answer: D