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

Textbooks are a vital component in many higher education contexts. Increasing textbook prices, coupled with general rising costs of higher education have led some instructors to experiment with substituting open educational resources (OER) for commercial textbooks as their primary class curriculum. This article synthesizes the results of 16 studies that examine either (1) the influence of OER on student learning outcomes in higher education...