Lang, 1994) are completed by the observers. (2a) Symptom recognition. The participants start the first ‘real-life’ video segment in their roles of teacher and observer with the focus on symptoms of stress [...] video segment. For example, the observers focus on occurring symptoms of stress in the performing participant. After the video, the performing participant and the observers reflect on the performing par [...] opportunity. In the stress lab, interactive videos of stressful physical education teaching situations serve as stressors and prospective teachers are instructed to generate and apply different coping options