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Fieldwork effort, response rate and the distribution of survey outcomes : a multi-level meta-analysis

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Sturgis, Patrick, Williams, Joel, Brunton-Smith, Ian and Moore, Jamie. (2016) Fieldwork effort, response rate and the distribution of survey outcomes : a multi-level meta-analysis. Public Opinion Quarterly . nfw055. ISSN 0033-362X (In Press)

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Official URL: https://doi.org/10.1093/poq/nfw055

Abstract

This study assesses how survey outcome distributions change over repeated calls made to addresses in face-to-face household interview surveys. We consider this question for 541 survey variables, drawn from six major face-to-face UK surveys that have different sample designs, cover different topic areas, and achieve response rates between 54 and 76 percent. Using a multilevel meta-analytic framework, we estimate for each survey variable the expected difference between the point estimate for a proportion at call n and for the full achieved sample. Results show that most variables are surprisingly close to the final achieved sample distribution after only one or two call attempts and before any post-stratification weighting has been applied; the mean expected difference from the final sample proportion across all 559 variables after one call is 1.6 percent, dropping to 0.7 percent after three calls and to 0.4 percent after five calls. These estimates vary only marginally across the six surveys and the different types of questions examined. Our findings add weight to the body of evidence that questions the strength of the relationship between response rate and nonresponse bias. In practical terms, our results suggest that making large numbers of calls at sampled addresses and converting “soft” refusals into interviews are not cost-effective means of minimizing survey error.

Item Type:

Journal Article

Subjects:

H Social Sciences > HB Economic Theory

Divisions:

Faculty of Social Sciences > Sociology

Library of Congress Subject Headings (LCSH):

Household surveys -- Response rate -- Great Britain

Journal or Publication Title:

Public Opinion Quarterly

Publisher:

Oxford University Press