1. Munich Center for the Learning Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
2. Department of Social Work, Katholische Stiftungsfachhochschule, Munich, Germany
3. Chair of Educational Psychology, University of Augsburg, Augsburg, Germany
4. Chair of Education and Educational Psychology, Ludwig-Maximilians-Universität, Munich, Germany
5. Kent School of Social Work, University of Louisville, Louisville, KY, USA