Multiple Choice
A good cover letter for a mailed questionnaire would do all but which of the following?
A) communicate the general purpose of the study
B) give assurances of respondents' anonymity and/or confidentiality
C) explain how the respondent was selected
D) not identify the survey sponsor in order to avoid bias
E) offer incentives such as a copy of the study
Correct Answer:

Verified
Correct Answer:
Verified
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