https://www.edsurge.com/news/2018-10-30-campus-support-for-oer-is-growing-survey-finds

the latest Campus Computing Survey, one of the largest annual surveys of college technology leaders in the U.S.

Those same tech leaders, however, said that not all faculty are sold on the approach. Only 38 percent agreed or strongly agreed that “faculty at my campus believe that the quality of OER course materials is about the same as comparable commercial products.”