1. Colors as Properties: Stroop-Like Effects between Objects and their Colors / Wilhelm R. Glaser and Margrit O. Glaser -- 2. The Eyewitness-Misinformation Effect: Distorted Recollections based on Contradictory Information / Rudiger F. Pohl, Sabine Schumacher and Martin Friedrich -- 3. Causal Knowledge and the Expression of Uncertainty / Helmut Jungermann and Manfred Thuring -- 4. Access to Analog Representations in Memory for Visually Perceived Forms: The Facilitating Effect of Declarative Knowledge / Uta Lass, Gerd Luer, Michael Ulrich and Steffen Werner -- 5. Interference in Complex Knowledge Structures / Ulrich Glowalla and Mike Rinck -- 6. Events-II: Modeling Event Recognition / Robin Hoernig, Reinhold Rauh and Gerhard Strube -- 7. Knowledge Assessment based on Skill Assignment and Psychological Task Analysis / Josef Lukas and Dietrich Albert -- 8. Misconceptions and Knowledge Compartmentalization / Heinz Mandl, Hans Gruber and Alexander Renkl -- 9. Understanding and Using Worked-Out Examples: A Computational Model / Peter Reimann, Thomas J. Schult and Stefan Wichmann -- 10. Learning Program Abstractions: Model and Empirical Validation / Franz Schmalhofer, Ralph Bergmann, Stefan Boschert and Jorg Thoben -- 11. The Acquisition of Functional Planning and Programming Knowledge: Diagnosis, Modeling, and User-Adapted Help / Claus Mobus and Olaf Schroder -- 12. When can Individual Student Models be Useful? / Gerhard Weber, Alexander Bogelsack and Karl F. Wender -- 13. Multiple Mental Representations of Information in Physics Problem Solving / Rolf Ploetzner and Hans Spada -- 14. Microworlds based on Linear Equation Systems: A New Approach to Complex Problem Solving and Experimental Results / Joachim Funke -- 15. Strategies for Knowledge Acquisition and Transfer of Knowledge in Dynamic Tasks / Wiebke Putz-Osterloh -- 16. Design and Implementation of a Representation System for Human Knowledge / Werner H. Tack, Dieter Wallach, Dagmar Unz, Ronald Henss and Rainer Egler -- 17. The Hypermedia System MEM and its Application in Evaluating Learning and Relearning in Higher Education / Ulrich Glowalla, Joachim Hasebrook, Gilbert Fezzardi and Gudrun Hafele -- 18. Knowledge Representations and Cognitive Procedures / Arthur C. Graesser -- 19. Knowledge and Performance in Complex Problem Solving / Rainer H. Kluwe -- 20. Beyond a Commodity View of Knowledge in Instruction / Alan Lesgold.