@inproceedings{ITiCSE-2009-Al-BarakatiA,
	author        = "Nouf M. Al-Barakati and Arwa Y. Al-Aama",
	booktitle     = "{Proceedings of the 14th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/1562877.1562949",
	isbn          = "978-1-60558-381-5",
	pages         = "228--232",
	publisher     = "{ACM}",
	title         = "{The effect of visualizing roles of variables on student performance in an introductory programming course}",
	year          = 2009,
}