- How do you measure effectiveness in usability testing?
- Which of the following metrics provides the best measure of efficiency?
How do you measure effectiveness in usability testing?
Effectiveness. It can be measured through using two usability metrics: Success rate, called also completion rate and the number of errors. Success rate/ completion rate: is the percentage of users who were able to successfully complete the tasks.
Which of the following metrics provides the best measure of efficiency?
Task Time : Total task duration is the de facto measure of efficiency and productivity.