Requirements for OER The OER Foundation and the WikiEducator community, thefollowing are important dimensions they consider requirementsfor OER:1. Philosophical: Drawing on the essential freedoms we believe that OER should be accessible at no-cost (gratis) but more importantly provide users with the necessary freedoms to adapt, modify and earn a living (libre).2. Pedagogical: permissions drawing on David Wileys 4Rs, ie the permissions to Reuse, Revise, Remix and Redistribute3. Technological : that is storing OERs in editable and open file formats.
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