The fundamental idea of the NBA is to have a tool at hand which significantly improves the possibility to stop bullying. Punitive measures always carry the danger of revenge on the part of the bully, a vicious circle of fear and harm. Measures like swapping the class, especially if the victim is asked to change classes, are disadvantageous for the student.
A survey conducted in 220 German schools who work with the NBA has shown that the bullying was stopped by the NBA intervention in 192 cases (87%). 7
Ideally, the NBA is not a single tool in school but is embedded in a set of measures e.g. the mediation club, awareness raising activities and other (preventive) programs.