Professional Experience

• Since 04/2010 Full Professor for “Educational and Psychological Assessment”, University Duisburg-Essen
• 09/2006-03/2010 Associate Professor, Endowed chair “Educational Assessment”, Humboldt-University Berlin, Germany
• 07/2002-09/2006 Assistant Professor for “Psychological Assessment“, Humboldt-University Berlin, Germany
• 07/2001-07/2002 Post doctoral research, Department of Psychology, University of Arizona, Tucson, AZ
• 10/2000-07/2001 Visiting Professor, School of Psychology, Georgia Institute of Technology, Atlanta GA
• 10/1998-09/2000 Untenured Assistant Professor, University Mannheim, Germany
• 11/1995-09/1998 Research Scientist, Project “Working Memory Capacity and Intelligence” University Mannheim, Germany
• 05/1995-12/1996 Research Scientist “Explaining Complex Problem Solving via Intelligence, Knowledge, and Personality” University Mannheim, Germany

 Research Interests

• Construction and evaluation of achievement, ability, and aptitude tests
• Innovative measures for student achievement
• Structure and validity of individual differences in working memory, mental speed and fluid intelligence
• Multivariate methods in general, and measurement & scaling in particular
• Ability related personality constructs

Current and Recent Grants (selection)

• DFG Wi 2667/7-1 SPP (2009-2011) German Research Foundation: Describing and explaining changes in competencies in German and Mathematics (with Alexander Robitzsch)
• DFG Ru 1424/3-1 SPP (2007-2009) German Research Foundation Diagnostic models for formative ability measurement in educational standards (with André Rupp)
• BMI B 1.20-5117 (2007-2010) Grant from the Federal Ministry of the interior Formative assessment of civics knowledge (with Olaf Köller and Rainer Lehmann)
• DFG Wi 2667/4-1 to 4-3 (2006-2012) Forschergruppe German Research Foundation Individual differences in cognitive conflicts
• DFG Wi 2667/1-1 to 1-3 (2005-2012) German Research Foundation Face memory, Face recognition, EEG, and emotional intelligence (with Werner Sommer)
• DGPs German Psychological Association (2005-2006) Developing recommendation and test construction for student admission in psychology for German psychological institutes
• VW-Stiftung II/79-561 (2003-2003) VolkswagenStiftung International symposium on emotional & practical intelligence
• FTS Fritz-Thyssen-Stiftung 212 0031 (2001-2002)The measurement, structure and validity of business administration knowledge

Ad hoc Reviewing, Grant Reviewing, editorial boards etc.

• Aging, Neuropsychology and Cognition, Advances in Cognitive Psychology, British Journal of Educational Psychology, Current Directions in Psychological Science, Diagnostica, Cognitive Psychology, Empirische Pädagogik, European Journal of Developmental Psychology, European Journal of Personality, European Journal of Psychological Assessment, Experimental Brain Research, Experimental Psychology, Intelligence, International Journal of Selection and Assessment, Journal for Educational Research Online, Journal of Experimental Psychology: Applied, Journal of Experimental Psychology: General, Journal of Experimental Psychology: Learning, Memory, & Cognition, Journal of Memory and Language, Journal of Personality, Learning and Individual Differences, Memory and Cognition, Methodology, Personality and Individual Differences, Psychological Research, Psychologia, Psychology and Aging, Psychophysiology, Quarterly Journal of Experimental Psychology: Section A, Swiss Journal of Psychology, Journal of Individual Differences, Zeitschrift für Entwicklungspsychologie und Pädagogische Psychologie, Zeitschrift für Pädagogische Psychologie
• Editorial board of Diagnostica, European Journal of Psychological Assessment
• Reviewing grant proposals for the DFG (German Research Association), the BMBF (Federal Ministry for Education and Research), and the NSF (National Science Foundation)
• Reviewing and Consulting for various book publishers