Comparing multiple imputation and propensity-score weighting in unit-nonresponse adjustments : A simulation study


Alanya, Ahu ; Wolf, Christof ; Sotto, Cristina


DOI: https://doi.org/10.1093/poq/nfv029
URL: http://ifp.nyu.edu/2015/journal-article-abstracts/...
Additional URL: http://poq.oxfordjournals.org/content/early/2015/0...
Document Type: Article
Year of publication: 2015
The title of a journal, publication series: Public Opinion Quarterly : POQ
Volume: 79
Issue number: 3
Page range: 635-661
Place of publication: Oxford
Publishing house: Oxford Univ. Press
ISSN: 0033-362X ; 1537-5331
Publication language: English
Institution: Außerfakultäre Einrichtungen > Mannheim Centre for European Social Research - Research Department A
Subject: 300 Social sciences, sociology, anthropology
Abstract: The usual approach to unit-nonresponse bias detection and adjustment in social surveys has been post-stratification weights, or more recently, propensity-score weighting (PSW) based on auxiliary information. There exists a third approach, which is far less popular: using multiple imputed values for each missing unit of the survey outcome(s). We suggest multiple imputation (MI) as an alternative to PSW since the latter is known to increase variance substantially without reducing bias when auxiliary variables are not associated with the survey outcome of interest. Given that most social surveys have multiple target variables, creating imputed data sets may address bias in survey outcomes with less variance inflation. We examine the performance of PSW and MI on mean estimates under various conditions using fully simulated data. To evaluate the performance of the methods, we report average bias, root mean squared error, and percent coverage of 95 percent confidence intervals. MI performs better under some of our scenarios, but PSW performs better under others. Even within certain scenarios, PSW performs better on coverage or root mean squared error while MI performs better on the other criteria. Therefore, robust methods that simultaneously model both the outcomes and the (non)response may be a promising alternative in the future.

Dieser Eintrag ist Teil der Universitätsbibliographie.




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Alanya, Ahu ; Wolf, Christof ORCID: 0000-0002-9364-9524 ; Sotto, Cristina (2015) Comparing multiple imputation and propensity-score weighting in unit-nonresponse adjustments : A simulation study. Public Opinion Quarterly : POQ Oxford 79 3 635-661 [Article]


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ORCID: Alanya, Ahu ; Wolf, Christof ORCID: 0000-0002-9364-9524 ; Sotto, Cristina

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