... Gunawardena's (1995) perspective on social presence and her findings started a whole new line of research in online distance education wherein the role of social presence is studied in online group learning. In particular, that research is focusing on the relationship of social presence and certain outcomes including the learner satisfaction (Aragon, 2003;Dajani, 2015;Hostetter and Busch, 2006;Moallem, 2015;Richardson and Swan, 2003;So and Brush, 2008), social/group climate (Akyol and Garrison, 2008;Rourke and Anderson, 2002;Tu, 2002a), participation and online interaction Danchak et al., 2001;Jorge, 2010;Polhemus et al., 2001;Zhao et al., 2014), perceived learning (Caspi and Blau, 2008;Maddrell, 2011;Richardson and Swan, 2003;Swan and Shih, 2005), learning outcomes (Russo and Benson, 2005;Hostetter, 2013;Madrell, 2011;Shin, 2003;Wei et al., 2012), motivation (Bai, 2003;Robb and Sutton, 2014;Tao, 2009), community building (Lin et al., 2017;Rourke et al., 2001;Rovai, 2002), and dropout (Bowers and Kumar, 2015;Robb and Sutton, 2014). ...