1999 Nov          Honorary professorship awarded by the UNESCO Institute for integrating New Media in Institutes for Higher Education

1991 Jan           Ph.D. degree on Hypertext, Navi­gation and Conceptual Representa­tions; University of Twente

1980 Sept         Master degree in the Social Sci­ences. Mas­ter Thesis: User Control and Cogni­tive Style; Utrecht State University

1980 May          Academic award for the experimental Design in detecting Visual Per­ception and Cognitive Style; Utrecht State University