@inproceedings{CHI-2000-CorbettT,
	author        = "Albert T. Corbett and Holly J. Trask",
	booktitle     = "{Proceedings of the 18th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/332040.332412",
	isbn          = "1-58113-216-6",
	pages         = "97--104",
	publisher     = "{ACM}",
	title         = "{Instructional interventions in computer-based tutoring: differential impact on learning time and accuracy}",
	year          = 2000,
}