Jeff Sauro & Erika Kindlund (2005)
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, 401-409.
DOI: https://doi.org/10.1145/1054972.1055028
Abstract. Method for combining completion rate, task time, error rate, and satisfaction into a single standardised usability score, enabling comparisons across studies and systems with heterogeneous metrics.
Tags: usability-testing measurement