“…Different conceptualizations of the construct of social presence have emerged since the concept was first introduced (Biocca, Harms, & Burgoon, 2003;Heeter, 1992;Kreijns, Kirschner, Jochems, & van Buuren, 2004, Lombard & Ditton, 1997. While the original theory emphasized social presence as a feature attached to a medium (Short et al, 1976), more recent work tends to define social presence as the psychological distance between an individual and his or her interactional counterpart, and emphasizes the sense of copresence within a given communication situation (Biocca et al, 2003;Lee & Jang, 2013;Lee & Nass, 2005).…”