Evaluating open educational resources (OER) for adoption in your course is very similar to assessing traditionally licensed materials, but there are some key differences:
Because OER can be produced and published by educators or experts who are unfamiliar with accessibility requirements, checking the accessibility of any OER you adopt is crucial. Fortunately, there are many tools, resources, and organizations to turn to for assistance. For help with evaluating the accessibility of OER which you adopt, adapt, or create, see the OER Accessibility Toolkit (University of British Columbia) and the website of the National Center on Accessible Educational Materials at CAST. The Institute for Disability Research, Policy & Practice at Utah State University offers their WAVE web accessibility evaluation toolkit, including a browser extension.
The following checklists can assist you in your evaluation and ensure you do not overlook a factor related to the "open" nature of the works.