Rising survey costs, increasing internet usage, and restrictions during the pandemic have accelerated a shift from face-to-face (Computer Assisted Personal Interviews, or CAPI) to web-based interviews (Computer Assisted Web Interviews, or CAWI). This …
Rising survey costs, increasing internet usage, and restrictions during the pandemic have accelerated a shift from face-to-face (CAPI) to web-based interviews (CAWI). This paper analyses the consequences of this shift for the comparability of …
One of the major problems in estimating the mode measurement effect in (mixed-mode) surveys is that isolation of the causal effect of mode on measurement is difficult. Using face-to-face will result in different types of respondents that participate in the survey than when recruitment is done using postal invitations. Differences in selection effects that are hard to separate from the fact that respondents also react differently to the mode of the interview.