A. Newsroom, Ancient Cretan Coin Sold for 479.000 US$ Available at: http://www.archaiologia.gr/blog, Accessed at, 2011.

W. Bainbridge, The Scientific Research Potential of Virtual Worlds, Science, vol.317, issue.5837, pp.317-472, 2007.
DOI : 10.1126/science.1146930

M. J. Balkin, Law and Liberty in Virtual Worlds. 49 N, Y.L. SCH. L. REV, vol.63, 2004.

M. Faust and S. Carrier, 3D Body Scanning???s Contribution to the Use of Apparel as an Identity Construction Tool, Digital Human Modeling, HCII, pp.19-28, 2009.
DOI : 10.1007/978-3-642-02809-0_3

D. Griffith, An examination of the influences of store layout in online retailing, Journal of Business Research, vol.58, issue.10, pp.1391-1396, 2005.
DOI : 10.1016/j.jbusres.2002.08.001

I. Krasonikolakis, A. Vrechopoulos, and D. Christoforou, An Empirical Investigation of Users' Characteristics in Virtual Reality Retailing, 2nd International Conference on Services Marketing, 2009.

S. Laird, Clothes Shopping With Bodymetrics Lets You Try It On for Virtual Size Mashable Tech, Available at, 2012.

M. Levy and B. A. Weitz, Retailing Management, 2001.

P. Messinger, X. Ge, E. Stroulia, K. Lyons, K. Smirnov et al., On the Relationship between My Avatar and Myself, Journal of Virtual Worlds Research, vol.1, issue.2, pp.1-17, 2008.

C. Okoli and S. Pawlowski, The Delphi method as a research tool: an example, design considerations and applications, Information & Management, vol.42, issue.1, pp.15-29, 2004.
DOI : 10.1016/j.im.2003.11.002

F. Pettit and . Annie, A comparison of World-Wide Web and paper-and-pencil personality questionnaires, Behavior Research Methods, Instruments, & Computers, vol.28, issue.1, pp.50-54, 2002.
DOI : 10.3758/BF03195423

M. Russell and W. Haney, Testing Writing on Computers, education policy analysis archives, vol.5, issue.1, 1997.
DOI : 10.14507/epaa.v5n3.1997

URL : http://doi.org/10.14507/epaa.v5n3.1997

H. D. Shin, Understanding purchasing behaviors in a virtual economy: Consumer behavior involving virtual currency in Web 2.0 communities, Interacting with Computers, vol.20, issue.4-5, pp.433-446, 2008.
DOI : 10.1016/j.intcom.2008.04.001

B. Stuart, Virtual Worlds as a Medium for Advertising, ACM SIGMIS Database, vol.38, issue.4, 2007.

A. Vrechopoulos, R. O-'keefe, G. Doukidis, and G. Siomkos, Virtual store layout: an experimental comparison in the context of grocery retail, Journal of Retailing, vol.80, issue.1, pp.13-22, 2004.
DOI : 10.1016/j.jretai.2004.01.006

D. Wright, W. Aquilino, and A. Supple, A Comparison of Computer-Assisted and Paper-and-Pencil Self-Administered Questionnaires in a Survey on Smoking, Alcohol, and Drug Use, Public Opinion Quarterly, vol.62, issue.3, pp.331-353, 1998.
DOI : 10.1086/297849