Measure

Tally sheet for measuring usability?

Tally sheet for measuring usability?
  1. How do you measure effectiveness in usability testing?
  2. 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.

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