Respondents in the two address-recruited and the one crowdsourced sample were not required to answer each ... Researchers addressed both potential concerns by fielding a follow-up data collection. The ...

For example ... data that subsequently develops the interview further. As in any research, it is often wise to first pilot the interview schedule on several respondents prior to data collection ...

The data collection services of the centre are ... When necessary, we carry out in our research projects qualitative and quantitative content analyses, for example, on learning materials, curricula ...