Abstract Translated title of the contribution How does an intervention work?-German Version. Development of an effect model for a complex intervention to prevent recurring or persistent pain using the example of PAIN 2.0 Keywords Humans, Chronic Pain/prevention & control, Germany, Combined Modality Therapy, Pain Management/methods, Intersectoral Collaboration, Interdisciplinary Communication, Randomized Controlled Trials as Topic, Secondary Prevention, Patient Care Team, Pain Measurement