"Age of Video Game Players in the U.S. 2015 | Survey." Statista. Statista, 2016. Web.

Gershenfeld, Alan. "Mind Games." Scientific American 310.2 (2014): 54-9. Print.

Granic, Isabela, Adam Lobel, and Rutger C. M. E. Engels. "The Benefits of Playing Video Games." American Psychologist 69.1 (2014): 66-78. ProQuest.

Sanders, Jessica. "By the Numbers: 10 Stats on the Growth of Gamification." Games and Learning. Games and Learning, 27 Apr. 2015.