Jürgen Schupp, Denise Saßenroth
The longitudinal German Socio-Economic Panel survey (SOEP) is characterised by a continuously refreshment of the sample. In 2014, four subsamples of the study „Families in Germany (FiD)“ were included in the SOEP. All four subsamples were formerly surveyed by CAPI mode for 4 waves. A replacement of CAPI by the CAWI mode was realised in four of the three subsamples in order to reduce survey costs. For the purpose of panel maintenance, we used a CAWI-CAPI sequential mixed-mode design. The experiment allows drawing preliminary conclusions regarding the conflicting goals of low survey costs and high response rates.
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