@inproceedings{CHI-PLAY-2015-DenisovaC15a,
	author        = "Alena Denisova and Paul A. Cairns",
	booktitle     = "{Proceedings of the Second Annual Symposium on Computer-Human Interaction in Play}",
	doi           = "10.1145/2793107.2793141",
	isbn          = "978-1-4503-3466-2",
	pages         = "97--101",
	publisher     = "{ACM}",
	title         = "{Adaptation in Digital Games: The Effect of Challenge Adjustment on Player Performance and Experience}",
	year          = 2015,
}