Awarded Ph.D. Projects
"Problem-based Learning" by Martin Podges. Open University The Netherlands. 2021
“Asynchronous Coaching of Initial Teacher Students” by Ralph Hooreman. Univ of Eindhoven. Copromotor. 2008
“The Computer as a Metacognitive Tool for Gaming” by Philip Bonanno. Univ of Joensuu; Ass Promotor. 2008
“Higher Education ICT Policies” by Maggy McPherson. Sheffield University; Promotion Committee Member. 2007
“Ethnographic Factors in Mathematics and Computer Science” by Matti Tedre. Co-promotor. University of Joensuu. 2006
“Using generative probabilistic Models for Multimedia Retrieval” by Thijs Westerveld. Member of the Promotion Committee, University of Twente. 2005
“Reading Intervention Technology in English for the Students of Polytechnic Colleges” by S. Senthilnathan. External Referent, Alagappa University, India, 2004
“Hypermedia Interaction Design: A Cognitive Constructivist Approach” by Lee Chien Sing. Faculty of Information Technology and Multimedia. External Referent, University, Malaysia. 2004
“Kritische und nicht kritische Spielstände im Wettkampftennis: Individuelle Leistungsvoraussetzungen und differentielle Leistungsfolgen.” Dr. Maite Iriarte Rego for the title "Doctor Europeus". Universidad Autónoma de Madrid, 2004. Referent.
"Intelligent Agents for Orientation on the WWW" Lora Aroyo (2001). Univ. of Twente. Internal Advisor
"Mapping in the Educational and Training Design Process" Svetoslav Stoyanov. 2001. Univ. of Twente. Co-Promotor
“Multimedia and Hyperspace”. Jose Bidarra de Almeida; 2001. Universidade Aberta, Lisbon, Portugal. Member of the Promotion Board
"A Study of the Social and Material Distribution of Cognition". Ilias Karasavvidis. (1995-1998). Univ. of Twente. Member of the Promotion Committee
"Cognitive Tools for Learning". Anders Broberg; (Dec 1999). Umea, Sweden. Faculty opponent
"Concept Mapping for History Awareness" Heredina Fernandez; (1996 - 2000). Autonoma University of Madrid. Referent for the International Ph.D. certificate
"Memory, Cognitive Style and Concept Mapping in Learning Biology” Heling Huai; 2000. Univ. of Twente. Assistant Promotor
"Concept Mapping as an Epistemic Support Tool" Viatcheslav Bykov; 1997. Kiev, Ac. of Science. External Promotor
"Learning and Working with Electronic Performance Support Systems" Theo Bastiaens; 1997. Univ. of Twente. Promotion Advisory Board and Opponent
"Adaptable Courseware" Sjoerd de Vries; (1991-1997). Univ. of Twente. Assistant Promotor
“Investigating the portability of multimedia learning resources: Design for a "Teaching Models Toolkit"; Zhang Ji-Ping, 1996, University of Twente, advisor
“Cross-cultural portability of educational software: A communication-oriented approach;” Zhu Zhiting, 1996, University of Twente, advisor
"Knowledge Engineering for Courseware Design" Alnoor Ladhani (1992-1996). Univ. of Twente. Member of the Promotion Advisory Board