Cited by 1,315Survey Methodology and NonresponseSurvey Sampling and Estimation TechniquesCensus and Population Estimation

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Selection Bias in Web Surveys

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Bethlehem, Jelke·2010·International Statistical Review

DOI 10.1111/j.1751-5823.2010.00112.x

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Abstract

Summary: At first sight, web surveys seem to be an interesting and attractive means of data collection. They provide simple, cheap, and fast access to a large group of potential respondents. However, web surveys are not without methodological problems. Specific groups in the populations are under‐represented because they have less access to Internet. Furthermore, recruitment of respondents is often based on self‐selection. Both under‐coverage and self‐selection may lead to biased estimates. This paper describes these methodological problems. It also explores the effect of various correction techniques (adjustment weighting and use of reference surveys). This all leads to the question whether properly design web surveys can be used for data collection. The paper attempts to answer this question. It concludes that under‐coverage problems may solve itself in the future, but that self‐selection leads to unreliable survey outcomes.

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Authors: Bethlehem, J.
Affiliations: Centraal Bureau voor de Statistiek (NL)
Corresponding author: Bethlehem, Jelke
Venue: International Statistical Review
Publisher: Wiley
Published: 2010-08
Volume: 78
Issue: 2
Pages: 161-188
ISSN: 0306-7734 (ISSN-L)
1751-5823
DOI: 10.1111/j.1751-5823.2010.00112.x
OpenAlex: W2129332419
Cited by: 1,315
References: 37
Citations by year: 2026: 228 · 2025: 173 · 2024: 151 · 2023: 149 · 2022: 122 · 2021: 144 · 2020: 109 · 2019: 47 · 2018: 38 · 2017: 54 · 2016: 20 · 2015: 32 · 2014: 19 · 2013: 14 · 2012: 6
FWCI: 29.95
Type: journal article
Language: en
Open access: bronze
doi.org
Licence: onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations: International Statistical Review (publishedVersion)
UvA-DARE (University of Amsterdam) (publishedVersion, other-oa)
RePEc: Research Papers in Economics (submittedVersion)
Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
Topics: Social Sciences › Sociology and Political Science › Survey Methodology and Nonresponse
Physical Sciences › Mathematics › Statistics and Probability › Survey Sampling and Estimation Techniques
Physical Sciences › Mathematics › Statistics and Probability › Census and Population Estimation
Keywords: online surveys, selection bias, undercoverage, self-selection, internet access, survey design, participant recruitment

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Selection Bias in Web Surveys

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