“…Specifically, from quantitatively analyzing AOD threads, researchers have found that, as the subject matter increases in difficulty, students become less comfortable asking questions that expose their lack of understanding and revising incomplete or incorrect ideas (Eryilmaz, Chiu, Thoms, Mary, & Kim, 2014;Paus, Werner, & Jucks, 2012). Moreover, in the same line of research, Eryilmaz, Thoms, Mary, Kim, and van der Pol (2015) found that discussion threads that focus on challenging concepts have a tendency to quickly fade, which leaves little opportunity for learners to diagnose and revise their misconceptions. As Kim and Hannafin (2011) remark, under such conditions, students can develop robust and oversimplified misconceptions that prove highly resilient to change.…”