Martin Kanovsk\`y, Halamová, Júlia , Zuroff, David C, Troop, Nicholas A, Gilbert, Paul , Shahar, Ben , Petrocchi, Nicola , Hermanto, Nicola , Krieger, Tobias , Kirby, James N, and others, . 2020. “A Multilevel Multidimensional Finite Mixture Item Response Model To Cluster Respondents And Countries”. European Journal Of Psychological Assessment.