1. Beck, D. (2012). The influence of gender and ethnicity of student avatars on teacher’s expectations and perceptions. International Journal of Gaming and Computer Mediated Simulations, 4(1), 1–24.
2. Ellis, A. K. (2005). Research on educational innovations (4th ed.). Princeton, NJ: Eye on Education, Inc.
3. Hew, K., & Cheung, W. (2010). Use of three-dimensional (3-D) immersive virtual worlds in K-12 and higher education settings: A review of the research. British Journal of Educational Technology, 41(1), 33–55.
4. Kotrlik, J. W., & Williams, H. A. (2003). The incorporation of effect size in information technology, learning, and performance research. Information Technology, Learning, and Performance Journal, 21(1), 1.
5. Reeves, T. C., & Hedberg, J. G. (2003). Interactive learning systems evaluation. Englewood Cliffs, NJ: Educational Technology Publications.