6Montes G. Is Interaction the Message The Effect of De- mocratizing and Non -democratizing Interaction Invid- eo Conferencing Small Groups on Social Presence and Quality of Outcome [ J ]. Technology - mediated Com- munication, 1992,14 ( 1 ) : 187 - 223.
7Matthew L, Matthew T. Identifying the (Tele)Presence Literature [ J ]. Psychology Journal,2007,5 (2) : 197 - 206.
8Jahng J, Jain H, Ramamurthy K. The Impact of Elec- tronic Commerce Environment on User Behavior: the Case of A Complex Product [ J ]. E - service Journal, 2001,1(1) :41 -53.
9Fiore A, Yu H. Effects of Imagery Copy and Product Samples on Responses towards the Product [ J ]. Journal of Interactive Marketing, 2001,15 (2) : 36 - 46.
10Biocca F, Harms C, Burgoon J. Toward A More Robust Theory and Measure of Social Presence:Review and Suggested Criteria [ J ]. Presence : Teleoperators & Vir- utal Environments ,2003,12 (5) :456 - 480.
