Ulrich Trautwein, Prof. Dr., is Full Professor of Educational Science at the University of Tuebingen. He studied psychology at the University of Goettingen and at the University of California, Santa Cruz (diploma in 1999). From 1999 to 2008, Trautwein held a position as Research Scientist at Max Planck Institute for Human Development, Berlin. He received his Ph.D. from the Free University of Berlin in 2002 for his work on schools and self-esteem. His habilitation work on a multilevel homework model was finished in 2005. Trautwein is currently involved in three large-scale longitudinal studies, the study on learning processes, educational careers, and psychosocial development in adolescence and young adulthood (BIJU), the project on transformation of the secondary school system and academic careers (TOSCA), and a study on tradition and innovation in the structure and organization of schooling (TRAIN). He is on the editorial board of &ldquo;Zeitschrift f&uuml;r P&auml;dagogische Psychologie&rdquo;, a German journal of educational psychology and of motivation and emotion. Trautwein has published several journal articles and book chapters. His main research interests include the effects of different learning environments on self-concept, interest, and personality development, the role of self-related cognitions in students&rsquo; homework behavior, and the characteristics of learning environments that promote academic achievement in English as a foreign language as well as other domains of learning. Trautwein has received several major research grants. His Ph.D. dissertation was awarded the prestigious Otto Hahn medal, and in 2004 he received the Young Investigator Award from the Section for Educational Psychology of the German Psychological Society. Within NEPS he is responsible for English achievement tests; stage 5 "Upper Secondary School" (i.e., Abitur and beyond).