Which of the Following Is a Limitation of Individual Depth

Multiple Choice

Which of the following is a limitation of individual depth interviews?

A) They are typically much more expensive than groups.
B) They generally do not get the same degree of client involvement as focus groups.
C) They are physically exhausting for the moderator, so it is difficult to cover as much ground in one day as it is with groups.
D) Only a and b
E) a, b, and c.