Do Performance Data And Satisfaction Data Measure The Same Thing?
By Jeff Sauro . January 25, 2010 . Tags: Performance, Metrics, Satisfaction
In a usability test you typically collect some type of performance data: task times, completion rates and perhaps errors or conversion rates. It is also a good idea to use some type of questionnaire which measures the perceived ease-of-use of an interface. This can be done immediately after a task using a few questions (post-task questionnaires). It can also be done after the usability testing