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| Strand, Theresa | 1 |
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Download full textStrand, Theresa – 1973
An overview is provided of factors considered relevant to gaining and maintaining the participation of subjects in longitudinal studies. Research findings indicate that the response rate can be affected by various aspects of the questionnaire, type of sponsorship, use of incentives, special mailing techniques, and followup procedures. Other…
Descriptors: Followup Studies, Letters (Correspondence), Literature Reviews, Longitudinal Studies
