Question

Which of the following is NOT true about follow-up mailings in mailed surveys in which the respondents are not identified on the questionnaire?
a. It is impossible to re-mail only to nonrespondents.
b. The follow-up mailing could go to respondents and nonrespondents.
c. Including a stamped, self-addressed postcard in the original mailing can make it possible to re-mail only to nonrespondents.
d. Two follow-up mailings are the norm.

Answer

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