Face to face interviews, responses collected with a tablet (CAPI) or self-administered answering of the electronic questionnaire on a tablet delivered and picked by the interviewer. The second self-administered version of interviewing was introduced due to the ongoing pandemic situation to alleviate the concerns of the respondents.

Adult inhabitants of Slovakia (18+)

The survey consists of two independent stratified random samples. The first sample with 668 interviews included 143 PSUs selected by Probability proportional to size (PPS) sampling. The second sample with 335 interviews used the same procedure to select 130 PSUs. In the time of the fieldwork after the first COVID-19 wave he survey agency struggled with the availability and willingness of their interviewer network for a random walk face to face interviewing. This resulted int he inability to cover 28 PSUs in the first sample and 76 PSUs in the second sample. In both sample, in the selected PSUs a random walk procedure was applied to select households and respondents over 18 with the closest birthday were selected.