Käytettävyyskertoimien
Käytettävyyskertoimet, or usability coefficients in English, are metrics used to quantify and assess the usability of a product or system. These coefficients help in understanding how easily and effectively users can achieve their goals with a given interface. They are crucial for designers and developers aiming to improve user experience.
Commonly, usability coefficients are derived from usability testing. During these tests, users are observed performing specific
For example, a task success rate coefficient would indicate the percentage of users who successfully completed
The goal of using usability coefficients is to provide objective data that can inform design decisions. A