Usability (or summative) testing is the practice of testing how easy a design is to use on a group of representative users. It involves observing users as they attempt to complete tasks.
Usability is defined by 5 quality components:
|Research Type||Sample Size||Session Time|
|Hybrid, Behavioral, Formative||Small (5 participants)||30 - 60 minutes|
Measure both performance and subjective (preference) metrics. People’s performance and preference do not always match. Often users will perform poorly but their subjective ratings are very high. Conversely, they may perform well but subjective ratings are very low.
Created by: Joe Steinkamp | Last updated by: Joe Steinkamp