What do you know about the counterfactual method? We asked Juliet Tschank from ZSI to explain this approach as... 05 May The Evaluation Model Marco Martinetti | counterfactual, education, evaluation, prevention, school, ZSI | Experimentation, Video | 0 What do you know about the counterfactual method? We asked Juliet Tschank from ZSI to explain this approach as...