Horzum, Mehmet Barış, and Gülden Kaya Uyanik. “An Item Response Theory Analysis of the Community of Inquiry Scale”. The International Review of Research in Open and Distributed Learning 16, no. 2 (April 15, 2015). Accessed November 25, 2024. https://www.irrodl.org/index.php/irrodl/article/view/2052.