This is not a one-horse race: understanding player types in multiplayer pervasive health games for youth

Xu, Y., Poole, E. S., Miller, A. D., Eiriksdottir, E., Kestranek, D., Catrambone, R., & Mynatt, E. D. (2012). This is not a one-horse race: understanding player types in multiplayer pervasive health games for youth. Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work (CSCW '12). Seattle, WA.