The concept of group mentality refers to a relatively stable and integrative psychological pattern encompassing cognitive, emotional, motivational, and value-based orientations through which representative individuals interpret reality, respond to social and political stimuli, and guide their behavior.  Group mentality constitutes a bridge between a (psychological) individual and a (sociological or political) group.
Our initial empirical work in this field employed cluster analysis of European Social Survey data (N = 63,281; 73 variables) to identify dominant psycho-political mentalities  across Europe. The analysis yielded five types - Secular and Religious Democrats, Skeptical Non-Democrats, Intolerant Traditionalists, and Radical Authoritarians)  which were present in varying proportions across all European nations.
Our current project focuses on the Czech Republic and on a typology of citizens based on latent class analysis of medical (COVID) and political (Russian propaganda) disinformation data (N = 490; 30 variables). Five distinct types emerged—Rational pro-Ukrainian Democrats, Anti-Russian Democrats, No Strong Opinion respondents, Pro-Russian Post-Communists, and Generally Disinformed individuals. These groups differ not only in their relative prevalence within the sample but also across a range of additional demographic, attitudinal, and behavioral variables. The project has a longitudinal design, enabling the analysis of significant predictors of mentality membership and their development over time.