If more than 20 percent of the questionnaires are not returned after several follow-up attempts, the researcher should
A) send another copy of the questionnaire to the nonrespondents.
B) select an additional sample and mail them the questionnaire.
C) administer the questionnaire by telephone or in person to a random sample of the nonrespondents.
D) discontinue attempts to contact nonrespondents.

Question

Quizplus · Accepted Answer

Administering the questionnaire by telephone or in person to a random sample of the nonrespondents is a method to increase response rates and improve the representativeness of the survey results. This approach helps to understand why some people did not respond and can potentially capture a wider range of responses.

If More Than 20 Percent of the Questionnaires Are Not