Measuring performance (e.g. task success rate) and satisfaction (e.g. ‘liking a Website’)

June 9, 2014

• Performance and satisfaction scores are strongly correlated, so if you make a design that’s easier to use, people will tend to like it more.

• Performance and satisfaction are different usability metrics, so you should consider both in the design process and measure both if you conduct quantitative usability studies.

JAKOB NIELSEN: User Satisfaction vs. Performance Metrics

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