Airport retransformed Carla Müggenburg außerschulisches Lernen teacher training Professionswissen reflective practitioner didaktischer Doppeldecker Lehrkräftebildung professional knowledge Reflective Practitioner out-of-classroom learning didactic double-decker Using the example of a seminar in the didactics of Romance languages, it is demonstrated how practical experience and didactic reflection can be combined in a very meaningful way by incorporating out-of-university learning and both controlled and uncontrolled learning processes. This approach initiates the future role of students as reflective practitioners. The design of the seminar according to the principles of action orientation and the principle of the ‘didactic double-decker’ prove to be particularly fruitful. Philipps-Universität Marburg Marburg Deutschhausstraße 9, 35037 Marburg 2024 2024-09-24 2024-09-25 Text article urn:nbn:de:hebis:04-0009-2024-315-86378 ger 3101186-X 4 1 (2024) 1 https://journals.uni-marburg.de/ziaf/article/download/8637/8439 10.17192/ziaf.2024.4.1.8637 https://journals.uni-marburg.de/0009/2024/315/8637