Which of the following is most accurate regarding the pretest of the questionnaire?
A) The client should always be present for the pretest.
B) At least five pretests should be conducted.
C) The pretest should be conducted on a small sample.
D) The pretest should be conducted on a small and representative sample.
E) As many respondents as possible should be used in a pretest.
Answer: D) The pretest should be conducted on a small and representative sample.