VL03 UE - Measuring Usability

Questions

  • Why measure?
  • How to measure Usability?
  • Which metrics?
    • effectiveness
    • efficiency
    • satisfaction
  • When to focus on which metrics?
  • How to acquire the metrics?
    • How to measure task success?
    • How to measure task completion time?
    • Which surveys are there?
  • What are usability issues?
    • How to rate them?
    • How to document them?
  • How to do lab tests?

Notes

How to take metrics:

  1. What?
  2. Why?