Hanna Liberska is a Professor at the Institute of Psychology at Kazimierz Wielki University in Bydgoszcz (Poland). Her research concentrates on human development, identity, family and historical transformations.Marzanna Farnicka is a psychologist and an Assistant Professor at the University of Zielona Góra (Poland). Her research concentrates on conditionings of human aggression (including school and family), coping with stress (especially from family perspective) and supporting children in the education environment.