@inproceedings{DiGRA-2005-ChenKCM,
	author        = "Mark Chen and Beth E. Kolko and Elizabeth Cuddihy and Eliana Medina",
	booktitle     = "{Proceedings of the Third Digital Games Research Conference: Changing Views — Worlds in Play}",
	title         = "{Modeling and Measuring Engagement in Computer Games}",
	year          = 2005,
}