“…Here we focus on social presence, which includes open and critical discussion of online material as mediated by group cohesion, open communication, and affective expression. These interactions serve multiple purposes, including supporting cognitive learning (Garrison, Anderson, & Archer, 2010), creating a feeling of being part of a community of learners and developing an identity as a learner in a massive online course (Kizilcec et al, 2017;Macià & García, 2016), and providing opportunities to exchange ideas and co-construct knowledge and even new practices that can be used by other educators (Macià & Garcia, 2017;Macià & García, 2016). Instructors can enhance social interactions through choice of online platform-for example, discussion board versus social media (Clarke & Kinne, 2012;Hou, Wang, Lin, & Chang, 2015;Salmon, Ross, Pechenkina, & Chase, 2015)-and type of discussion question posed (Ke, 2010), as well as by incorporating structured collaborative activities and assessments of collaboration (Collazos, Gonzalez, & Garcia, 2014) and focusing on life experience or case-study analysis (Liu & Yang, 2014).…”