Which of the Following Statements Are FALSE

Multiple Choice

Which of the following statements are FALSE?

A) investigator-administered questionnaires have higher response rates than self- administered questionnaires
B) because of the lack of anonymity, investigator-administered questionnaires may elicit less honest responses than self-administered questionnaires
C) investigator-administered questionnaires are more expensive than self- administered
D) none of the above--investigator-administered questionnaires differ from self-administered questionnaires in all these respects