Which of the following is NOT true of depth interviews?
A) They are especially useful when the researcher wants to understand decision making on the individual level.
B) A trained interviewer is used.
C) Interviews cannot be conducted in the participants' homes.
D) The respondent is not influenced by others, as in a focus group.
E) They are especially useful when the researcher wants to understand how products are used.
Answer: C) Interviews cannot be conducted in the participants' homes.