Aufsatz(elektronisch)#11966
Timing Postcard Follow-Ups in Mail-Questionnaire Surveys
In: The public opinion quarterly: POQ, Band 30, Heft 2, S. 306
ISSN: 1537-5331
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In: The public opinion quarterly: POQ, Band 30, Heft 2, S. 306
ISSN: 1537-5331
In: Public opinion quarterly: journal of the American Association for Public Opinion Research, Band 30, Heft 2, S. 306-307
ISSN: 0033-362X
Response rates to a questionnaire sent to 1,600 Coll S's were increased by sending a post card 3 days after the questionaire, followed by one 3 weeks later. AA.