Schräpler, Jörg-Peter; Schupp, Jürgen; Wagner, Gert G. - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2006
alternately with PAPI and CAPI mode per interviewer. In the subsequent waves the PAPI mode was partly replaced by CAPI. With this … experimental longitudinal design we are able to control for possible interviewer effects in the analysis of mode effects. The paper … assesses whether any mode effects are apparent for the response rate. Within the data, we examine monetary dimensions such as …