@inproceedings{EDM-2015-KaiPBBDOSV,
	author        = "Shiming Kai and Luc Paquette and Ryan S. Baker and Nigel Bosch and Sidney K. D'Mello and Jaclyn Ocumpaugh and Valerie Shute and Matthew Ventura",
	booktitle     = "{Proceedings of the Eighth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2015/proceedings/full77-84.pdf",
	isbn          = "978-8-4606-9425-0",
	pages         = "77--84",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{A Comparison of Face-based and Interaction-based Affect Detectors in Physics Playground}",
	year          = 2015,
}