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Sample Representation and Substantive Outcomes Using Web With and Without Incentives Compared to Telephone in an Election Survey

By Lipps Oliver and Pekari Nicolas


The objective of this article is to understand how the change of mode from telephone to web affects data quality in terms of sample representation and substantive variable bias. To this end, an experiment, consisting of a web survey with and without a prepaid incentive, was conducted alongside the telephone Swiss election survey. All three designs used identical questionnaires and probability samples drawn from a national register of individuals

Topics: Web surveys, mode experiment, incentive effects, individual register frame, national election survey, Statistics, HA1-4737
Publisher: De Gruyter Open
Year: 2016
DOI identifier: 10.1515/jos-2016-0008
OAI identifier: oai:doaj.org/article:90cd7aa389a443799f9d9daeee2092ff
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