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21 août 2023
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info:eu-repo/semantics/altIdentifier/doi/10.13094/SMIF-2023-00010
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info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_A8572DA658ED3
info:eu-repo/semantics/openAccess , CC0 1.0 , https://creativecommons.org/publicdomain/zero/1.0/
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Oliver Lipps et al., « Targeting Incentives in Mature Probability-based Online Panels », Serveur académique Lausannois, ID : 10.13094/SMIF-2023-00010
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This paper complements earlier work about incentive effects in wave 5 of the Panel Survey of the Swiss Election Study (Selects) about the possibilities to decrease incentives for high estimated response propensity respondents. In the present paper, we study possibilities to decrease incentives in wave 6 for the complementary group, the low-propensity respondents. For high-propensity respondents, continuing an (expensive) conditional CHF 10 (cash) produced only slightly higher response rates and a similar sample composition compared with an (inexpensive) lottery (5 x 300 CHF) in wave 5. For high-propensity respondents, however, switching to the lottery produced an 8% points lower response rate compared with continuing a conditional CHF 20 (cash), although sample compositions were similar in wave 6. In addition, the more costly incentives from wave 5 (CHF 10 as opposed to the lottery) continued to produce slightly higher response rates for high-propensity respondents in wave 6 such that due to cumulated effects we need to relativize our statements about the small effects from wave 5.