Rikers, Jos H.A.N.2008-10-092008-10-0920082008-10-09http://hdl.handle.net/2263/7499Paper presented at the Eduvate 2008 Conference "Education Innovation Quest: A Century in the Service of Knowledge" 25 - 27 June 2008, University of Pretoria, Pretoria, South Africa.enDepartment for Education Innovation, University of PretoriaOpen educationEDUVATE ConferenceEducation -- CongressesEducational innovationsOpen learning -- EuropeDistance education -- EuropeIndependent study -- EuropeWeb-based instruction -- EuropeEvent