Yang, Ph.D. H, Su, Ph.D. J. A Construct Revalidation of the Community of Inquiry Survey: Empirical Evidence for a General Factor Under a Bifactor Structure. IRRODL [Internet]. 2021 Nov. 22 [cited 2024 Apr. 23];22(4):22-40. Available from: https://www.irrodl.org/index.php/irrodl/article/view/5587