The goal of this article is to build intuitive user interfaces that are straightforward and concise.
The User Xperience practice would also measure the 5 human factors central to evaluate the user experience like
Time to learn – How long does it take for typical users to learn relevant task?
Speed of Performance – How long does it take to perform relevant benchmarks?
Rate of errors – How many and what kinds of errors are made during benchmark tasks?
Retention over time – Frequency of use and ease of learning help make for better user retention
Subjective satisfaction - Allow for user feedback