@inproceedings{EDM-2018-KoedingerSS,
	author        = "Kenneth R. Koedinger and Richard Scheines and Peter Schaldenbrand",
	booktitle     = "{Proceedings of the 11th International Conference on Educational Data Mining}",
	ee            = "http://educationaldatamining.org/files/conferences/EDM2018/papers/EDM2018_paper_129.pdf",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Is the Doer Effect Robust Across Multiple Data Sets?}",
	year          = 2018,
}