1. DFG-Graduate School “Teaching and Learning Processes”, University of Koblenz-Landau, Landau, Germany
2. Department of Psychology, Personality, Psychological Assessment, and Psychological Methods, University of Koblenz-Landau, Landau, Germany
3. Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
4. Department of Educational Sciences, University of Potsdam, Potsdam, Germany
5. Faculty of Education, Monash University, Clayton, Australia
6. Department of Psychology, Giftedness Research and Education, University of Trier, Trier, Germany