http://www.tonybates.ca/wp-content/uploads/asssociates.jpgBy . Open educational resources cover a wide range of formats, including open textbooks, video recorded lectures, YouTube clips, web-based textual materials designed for independent study, animations and simulations, diagrams and graphics, some MOOCs, or even assessment materials such as tests with automated answers. OER can also include Powerpoint slides or lecture notes. In order to be open educational resources, though, they must be freely available for at least educational use. More...