Open educational resources and college textbook choices: a review of research on efficacy and perceptions

If the average college student spends approximately $1000 per year on textbooks and yet performs scholastically no better than the student who utilizes free OER, what exactly is being purchased with that $1000?

A multi-institutional study of the impact of opentextbook adoption on the learning outcomes of post-secondary students

“students whose faculty chose OER generally performed as well or better than students whose faculty assigned commercial textbooks.

Faculty members skeptical of digital course materials, unfamiliar with OER