Dr Kinghorst Schule (special school for students with disabilities in learning and communication) and the two participants, Bärbel Goltermann-Fiebig and Gertrud Hartke, have dealt with the subjects of personality development and prevention of violence for more than 15 years. Frau Goltermann-Fiebig was in charge of groups mediating conflicts and (severe) quarrels with socially conspicious pupils fo...