Survey research used to be preceded by pilot studies. This article shows how one can combine two kinds of them, namely: pre-test and trial study. Pre-tests are carried out on small samples, and their results are analyzed ...

Qualitative research in political science and sociology commonly explores intersectionality, but practical methodological guides for the quantitative researcher are few. I examine methodological challenges in testing ...

One can provide results showing that social identities can account for various attitudes and behaviours. The problem was, however, how to recognise identifications in quantitative research carried out on big aggregates ...

Focus Group Interview became a more and more popular method and most of the marketing research companies have it in their portfolios. A number of researchers and clients use to treat this method as easy to use, intuitive, ...

In social sciences we often have to do with aggregated data which pose both methodological and practical problems. Erroneous inference of individual characteristics and behaviors from this kind of data, described and named ...

The aim of the article is to present Rasch model and its application to the assessment of scale validity and reliability. The method is hardly known in Poland. The problem of good quality data is important as such a data ...

I compare here Focus Group lnterviews (FGIs) - and Individual in-Depth lnterviews (IDIs) which are two most intensively applied qualitative techniques in marketing research. They differ mainly in application to different ...