Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias

Sakshaug JW, Hülle S, Schmucker A, Liebig S (2017)
Survey Research Methods 11(2): 171-188.

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Journal Article | Original Article | Published | English
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Abstract
In an effort to reduce data collection costs survey organizations are considering more cost-effective means of data collection. Such means include greater use of self-administered interview modes and acquiring substantive information from external administrative records conditional on respondent consent. Yet little is known regarding the implications of requesting linkage consent in self-administered (as compared to interviewer-administered) surveys with respect to consent rates and consent bias. To address this knowledge gap we report the results of a linkage consent study in which sampled employees were randomly assigned to an interviewer-administered (face-to-face) or self-administered (mail or Web) interview in which consent to link federal employment records was requested. We observed a strikingly lower consent rate in the self-administered (53.9 percent) versus the interviewer-administered (93.9 percent) survey mode. However, the impact of mode on consent bias was much less severe as survey-measured correlates of linkage consent did not interact with interview mode. Moreover, while self-administration yielded larger consent biases in the linked administrative variables, on average, compared to interviewer-administration, the average relative magnitude of these biases tended to be small (less than 6 percentage points). We conclude by discussing these findings in the context of survey practice and speculating on their possible causes.
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Sakshaug JW, Hülle S, Schmucker A, Liebig S. Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias. Survey Research Methods. 2017;11(2):171-188.
Sakshaug, J. W., Hülle, S., Schmucker, A., & Liebig, S. (2017). Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias. Survey Research Methods, 11(2), 171-188. doi:10.18148/srm/2017.v11i2.7158
Sakshaug, J. W., Hülle, S., Schmucker, A., and Liebig, S. (2017). Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias. Survey Research Methods 11, 171-188.
Sakshaug, J.W., et al., 2017. Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias. Survey Research Methods, 11(2), p 171-188.
J.W. Sakshaug, et al., “Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias”, Survey Research Methods, vol. 11, 2017, pp. 171-188.
Sakshaug, J.W., Hülle, S., Schmucker, A., Liebig, S.: Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias. Survey Research Methods. 11, 171-188 (2017).
Sakshaug, Joseph W., Hülle, Sebastian, Schmucker, Alexandra, and Liebig, Stefan. “Exploring the Effects of Interviewer- and Self-Administered Survey Modes on Record Linkage Consent Rates and Bias”. Survey Research Methods 11.2 (2017): 171-188.
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