Professional Services
Boards of Trustees/Governing Boards
| 2008– | Member of the Board of Trustees: German Children und Youth Foundation, Berlin | |
| 2008– | Member of the Board of Trustees: Carina Foundation, Herford | |
| 2006– | Member of the Board of Trustees: Carnegie Foundation for the Advancement of Teaching, Stanford, California, USA | |
| 2006– | Member of the University Council, University of Kassel | |
| 2005– | Member of the Board of Trustees: Jacobs Foundation, Zurich, Switzerland | |
| 2004– | Member of the Governing Board: Institute for Education Progress of the States of the Federal Republic of Germany, Humboldt University, Berlin | |
| 2003– | Member of the Board of Trustees: University of Twente, Institute for Behavioral Research (IBR) |
Research Funding Agencies
| 2004–2006 | Member of the German Research Foundation’s Nomination Committee for the Gottfried Wilhelm Leibniz Award | |
| 2002– | Member of the Senate and the Evaluation Committee of the Leibniz Association | |
| 2002–2006 | Member and Chair of the German Research Foundation’s Advisory Board for the research funding initiative “Research groups in the field of empirical research on education” | |
| 1998–2003 | Member of the Senate and the Grants Committee of the German Research Foundation (DFG) | |
| 1991–1998 | Elected Reviewer and Chair of the Research on Teaching and Learning Subdivision of the German Research Foundation (DFG) |
Professional Associations
| 2006– | Member of the International Academy of Education | |
| 1990–1994 | German Association for Research on Education: Chair and Vice Chair, Division for Empirical Research (AEPF) |
Editorial Boards
| 1998– | Coeditor: Zeitschrift für Erziehungswissenschaft | |
| 1991– | Coeditor: Zeitschrift für Unterrichtswissenschaft |
Evaluation Committees
| 2006 | Chair of the Expert Committee of the State Government of North Rhine-Westphalia to Assess Teacher Training in North Rhine-Westphalia, Germany | |
| 2004 | Member of the Review Committee: Interuniversity Center for Educational Research (ICO), Netherlands | |
| 2003–2004 | Member and Vice-Chair of the International Review Committee: Educational Sciences at the Universities and Teacher Colleges of Baden-Württemberg | |
| 2003 | Chair of the Review Committee of the State Government of Bavaria: Elite Network Bavaria | |
| 2003 | Member of the International Review Committee: Educational Sciences at the Universities of Bavaria | |
| 1999–2000 | Member of the International Review Committee for Pedagogy and Education in the Netherlands (RCPE) |
Membership of Scientific Advisory Boards
| 2010– | Knowledge Media Research Centre, Tübingen | |
| 2009– | ProfessionalSchool of Education, Ruhr University of Bochum | |
| 2009– | Programme for the International Assessment of Adult Competencies (PIAAC) | |
| 2008– | “Lebenswelt Schule” – A joint program of the German Children and Youth Foundation and the Jacobs Foundation | |
| 2006– | Bürgernetzwerk Bildung | |
| 2006– | Dahlem Conferences, Freie Universität Berlin | |
| 2006– | “School Reform and Beyond” | |
| 2006– | “House of Little Scientists” Initiative for Preschool Children | |
| 2006– | Institute for School Quality in the states of Berlin and Brandenburg (ISQ) | |
| 2004– | Research Program “Professional Minds of Teachers. On the Development of Standards for Vocational Teachers”, University of Fribourg, Switzerland | |
| 2004– | Quality Agency of the State Institute of School Education and Educational Research (ISB), Munich | |
| 2004– | Action Program “New Paths in Teacher Training”, Founders’ Association of German Science, Bonn | |
| 2001– | Center for Research on Learning and Instruction, University of Erfurt | |
| 2002–2004 | Progress in International Reading Literacy Study (PIRLS) | |
| 1999–2003 | BLK Pilot Program “Increasing Efficiency in Mathematics and Science Education” (SINUS) | |
| 1999–2002 | German Institute for International Educational Research (DIPF), Frankfurt | |
| 1995– | Centre for School Research and Questions of Teacher Education, Martin Luther University of Halle-Wittenberg |
Membership of Scientific Advisory Boards (Journal)
| Zeitschrift für Pädagogische Psychologie | ||
| Psychologie in Erziehung und Unterricht | ||
| Schweizerische Zeitschrift für Bildungswissenschaften | ||
| Waxmann Verlag’s series on educational psychology and developmental psychology | ||
| 1999–2002 | Journal für Mathematikdidaktik (JDM) |