Olesova L, Slavin M, Lim J. Exploring the Effect of Scripted Roles on Cognitive Presence in Asynchronous Online Discussions. OLJ [Internet]. 2016 Dec. 16 [cited 2026 Apr. 8];20(4). Available from: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1058