@inproceedings{CHI-2001-CouperTS,
	author        = "Mick P. Couper and Roger Tourangeau and Darby M. Steiger",
	booktitle     = "{Proceedings of the 19th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/365024.365306",
	isbn          = "1-58113-327-8",
	pages         = "412--417",
	publisher     = "{ACM}",
	title         = "{Social presence in Web surveys}",
	year          = 2001,
}