What is OER?
Answer
OER stands for Open Educational Resources. This "means a teaching, learning, or research resource that is offered freely to users in at least one form and that resides in the public domain or has been released under an open copyright license that allows for its free use, reuse, modification, and sharing with attribution" (Affordable College Textbook Act).
"H.R.1811 - 118th Congress (2023-2024): Affordable College Textbook Act". Congress.gov, Library of Congress, 27 March 2023, https://www.congress.gov/bill/118th-congress/house-bill/1811.