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Open Educational Resources (OER)

What are OER?

Open Educational Resources (OER) are learning objects or materials that can be used for teaching, learning, assessing, or researching, and that are openly available to (re)use.

Learning objects or educational materials that are freely accessible and available to anyone, does not necessarily classify them as OER. OER must be licensed in such a way as to allow reuse or redistribution of the material. This is often done using a Creative Commons license or other open license.

OER Collection for McMaster instructors

David Wiley's 5 R's of open education: Retain: make, own, and control copies of the content. Reuse: use the content in a wide range of ways. Revise: adapt, adjust, modify, or alter the content itself. Remix: combine the original or revised content with other material to create something new. Redistribute: share copies of the original content, your revisions, or your remixes with others.

This material is based on original writing by David Wiley, which was published freely under a
Creative Commons Attribution 4.0 license at

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