STEM director Martin Buchtík co-authored the largest recent study of the divisions in the Czech society. Commissioned by the Czech public radio, the survey put about 200 questions to more than 4000 respondents. For more please refer to the Czech radio website.
https://www.irozhlas.cz/zpravy-domov/ceska-spolecnost-vyzkum-tridy-kalkulacka_1909171000_zlo