1. TUM School of Social Sciences and Technology, Department Educational Sciences, Technical University of Munich, Munich, Germany
2. Institut für Didaktik der Physik, Justus Liebig University Giessen, Giessen, Germany
3. Fachdidaktik und Lehr-/Lernforschung Biologie, Humboldt-Universität zu Berlin, Berlin, Germany
4. Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany