Interviews Have the Advantage of a Better Response Rate Than

Interviews have the advantage of a better response rate than self-administered questionnaires Interviews have disadvantages as well. Which of the following is a disadvantage of an interview?

A) The gender, race, appearance, or other characteristics of the interviewer may influence responses of the research subjects.
B) Interview results are more difficult to interpret than self-administered results.
C) A research subject is more likely to share underlying feelings and reasons when completing a written questionnaire than when being interviewed by a skillful interviewer.
D) A research subject is more likely to complete a written questionnaire than accept a personal request for an interview.