there is a growing sense that user experience design should be – not merely intuitive – but evidence-based. The emphasis on user testing in all its forms is a manifestation of this.
Partially because the way we test our designs resembles a traditional psychological or ethnographic study, it’s often assumed that the kind of evidence required is statistical evidence. I want to suggest that this may actually be a misunderstanding – itself a result of a naturalistic bias inherent in our society – and to suggest an alternative view.
Justin Tauber thoughtfully suggests that there is more to UX than statistical significance. Rather – its the phenomenon that we’re trying to capture – not a “capture-able” trend. It can be measured and documented, but not necessarily statistically validated…
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