Lichtjes aangezet

Essentially, all models are wrong, but some are useful.

George E.P. Box
Perhaps the most fundamental difference between the educational models of the UK’s Open University and the one in the Netherlands is that OUNL students can start and complete their courses at any time and are not in a defined cohort of students. This makes most VLEs unsuitable as their architecture tends to be organised around discreet groups of students doing a course for a defined period, supported by a teacher. Virtual Learning » VLEs and the institutional control of students