3 mistakes to avoid when evaluating a product's UX
summary
Practical guidance for UX evaluation: avoid recruiting friends, test with about ten participants rather than 100+, do not ask different questions to different participants and randomize tasks and scripts. Measure time, errors and completion; use calibrated SUS and NPS plus open questions and thinking‑aloud; control biases (implicit, primacy/recency, friendliness) and use eye‑tracking (LightTracker, Gazepoint, Tobii) to verify where users look.
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chapters (11)
- 0:00Introduction
- 1:30Sampling mistakes
- 3:37Uncomparable data
- 6:53Cognitive bias pitfalls
- 10:22Scientific solutions
- 13:33Usability sample size
- 15:41Script and task errors
- 18:50Emotional analysis tools
- 22:00Data analysis and prioritization
- 23:23Presenting results
- 24:30Q&A
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