1. Nowak, K.: The Influence of Anthropomorphism on Mental Models of Agents and Avatars in Social Virtual Environments. Unpublished Dissertation, Michigan State University, East Lansing Michigan (2000)
2. Suler, J.: The Psychology of Avatars and Graphical Space in Multimedia Chat Communities Online. (1997) (Retrieved February 8, 2007)
http://www.rider.edu/~suler/psycyber/psyav.html
3. Chung, D.: Something for Nothing: Understanding Purchasing Behaviors in Social Virtual Environments. CyberPsychology & Behavior 6, 538–554 (2005)
4. Cordova, D.I., Lepper, M.R.: Intrinsic Motivation and the Process of Learning: Beneficial Effects of Contextualization, Personalization, and Choice. Journal of Educational Psychology, 715–730 (1996)
5. Lim, S.: The Effect of Avatar Choice and Visual POV on Game Play Experiences. Unpublished Dissertation, Stanford University, California (2006)