Experimental testing of refusal conversion strategies in a large-scale longitudinal study.

L. Calderwood, I. Plewis, S. Ketende, R. Taylor

    Research output: Working paper


    Refusal conversion is one of the fieldwork strategies commonly used to minimisenon-response in surveys. However, there is relatively little evidence about theeffectiveness of this strategy, particularly in face-to-face longitudinal surveys.Moreover, much of the existing evidence is based on observational studies. Thispaper evaluates the effectiveness of fieldwork strategies to covert refusals usingevidence from a randomised experiment implemented on a large-scale longitudinalstudy in the UK. We show that intensive re-issuing is an effective way of increasingthe proportion of refusals converted to a productive interview and hence increasingthe sample size and reducing the refusal rate. We also show that refusal conversionmay have led to a reduction in non-response bias in the survey estimates for severalkey variables.
    Original languageEnglish
    Place of PublicationLondon
    Number of pages37
    Publication statusPublished - Dec 2010

    Publication series

    NameCentre for Longitudinal Studies Working Papers
    PublisherInstitute of Education


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