James R. Lewis
Problem Discovery in Usability Studies: A Models Based on the Binomial Probability Formula
HCI, 1993.
@inproceedings{HCI-ACS-1993-Lewis,
author = "James R. Lewis",
booktitle = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 1: Applications and Case Studies}",
isbn = "0-444-89540-X",
pages = "666--671",
publisher = "{Elsevier}",
title = "{Problem Discovery in Usability Studies: A Models Based on the Binomial Probability Formula}",
year = 1993,
}