Usability Questionnaires
Questionnaires measuring Usability
UMUX-Lite: A detailed insight on the UMUX’s kid
TL;DR: The UMUX-Lite is a short 2-items questionnaire that incorporates the TAM. It has good psychometric properties and can be correlated with the System Usability Scale. The UMUX-Lite is really a direct descendant of UMUX, it assumes that user acceptance of a new technology is based on its perceived usefulness (Item 2 of the UMUX) […]
Understanding the UMUX: A guide to the short but accurate questionnaire
TL;DR: The UMUX is a short, 4 items questionnaire that correlates to the System Usability Scale. It is a valid and reliable way of measuring perceived usability. Its short form makes it a good asset in a researcher’s toolbox of UX Metrics that can be administered in-the-wild or on user testings. There are a lot […]
The positive SUS: as good as the original
TL;DR: The positive SUS, designed by Sauro and Lewis in 2011, is as good at measuring perceived usability as the original System Usability Scale designed by Brooke in 1996. The positive SUS could help in studies in which cognitive load is a concern, while the original SUS ability to detect acquiescence bias could be used […]
System Usability Scale 101 — An extensive insight in quantitative usability
TL;DR: SUS is a very reliable measurement of a system’s perceived usability. It uses 10 questions, graded from strongly disagree to strongly agree, to measure perceived usability. With a sample size of 12 the results have an accuracy of 100%. A big amount of effort is attributed to uncovering usability issues of a system. System […]