English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Unfortunately, the complete Conflict of Interest statement was missing in the published article. The complete statement is as follows: The first three authors of this paper (Lane Fischer, John Hilton III, and T. Jared Robinson) have no conflict of interest in the execution or outcomes of this study. The fourth author, David A. Wiley, is Chief Academic Officer at Lumen Learning, Portland, Oregon. Lumen Learning offers services to institutions that are transitioning from commercial textbooks to open educational resources. Dr. Wiley, previously at Brigham Young University, Provo, Utah, joined Lumen Learning after the research was

Erratum to: A multi-institutional study of the impact of open textbook adoption on the learning outcomes of postsecondary students