@inproceedings{EDM-2016-MaABM,
	author        = "Yijun Ma and Lalitha Agnihotri and Ryan S. Baker and Shirin Mojarad",
	booktitle     = "{Proceedings of the Ninth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2016/proceedings/paper_46.pdf",
	pages         = "135--142",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Effect of student ability and question difficulty on duration}",
	year          = 2016,
}