Tomáš Janík is a professor of Educational Sciences and a Head of the Institute for Research, School of Education, Faculty of Education, Masaryk University, Czech Republic. Jan Slavík is an associate professor of Educational Sciences, Department of Art Education and Culture, University of West Bohemia in Pilsen, Czech Republic. Petr Najvar is an associate professor of Education, Department of Primary Education, Faculty of Education, Masaryk University, Brno, Czech Republic. Tereza Češková is an assistant professor at the Department of Primary Education and the Institute for Research in School Education, Faculty of Education, Masaryk University, Brno, Czech Republic.