id author title date pages extension mime words sentence flesch summary cache txt crl-24437 Beile, Penny; deNoyelles, Aimee; Raible, John Analysis of an Open Textbook Adoption in an American History Course: Impact on Student Academic Outcomes and Behaviors 2020-05-05 16 .pdf application/pdf 8472 305 39 Perceptions Finally, student perceptions of the general quality of open textbooks, as well as the course open textbook’s credibility, relevance to the course, and support of their performance in the course were explored. In a meta-analysis of 22 studies about open textbook adoption that had been published in the last three years, Hilton concluded that 95 percent of the studies cited same or better outcomes for students who used open textbooks versus commercial course materials.17 cache/crl-24437.pdf txt/crl-24437.txt