Conditional distributions of frame variables and voting behaviour in probability‐based surveys and opt‐in panels

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Serval ID
serval:BIB_2D4AF9BBD0F8
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Conditional distributions of frame variables and voting behaviour in probability‐based surveys and opt‐in panels
Journal
Swiss Political Science Review
Author(s)
Pekari Nicolas, Lipps Oliver, Roberts Caroline, Lutz Georg
ISSN
1424-7755
1662-6370
Publication state
Published
Issued date
27/09/2022
Peer-reviewed
Oui
Language
english
Abstract
Probability-based web surveys are increasingly challenged by decreasing response rates and high costs. A cheap and convenient solution is to use ‘opt-in’ online panels, which
are based on non-probability samples. However, the quality of the data such panels produce is subject to debate.
To improve our understanding in this regard, especially in the Swiss context, we compare conditional distributions of sociodemographic variables and voting behaviour of two probability-based web surveys and three opt-in panels. Indeed, point estimates in opt-in panels are well studied, but bivariate relationships between variables, arguably more important for researchers in political science research, have received less attention. Our analysis has the advantage of most variables of interest being included in the sampling frame and thus the true values are known for each conditional distribution. Our results show a lack of consistency and reproducibility in the results from opt-in panels, which leads us to recommend care when using this type of data.
Keywords
Conditional distribution, Opt-in online panels, Probability samples, Voting behaviour, Web survey
Create date
24/06/2021 13:21
Last modification date
05/10/2022 6:08
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