What is Root Cause Analysis? What is its unique role in formative vs. summative testing? How should it be planned for before usability testing even starts? Read more
Human behavior can be hard to predict and even harder to explain. Study participants will often manage to do similar things in different ways, and they’ll rarely work with the same tools with equal proficiency.
What seems chance, or random, for one participant may be choice, or regular, for another. But the difference between chance and choice is critical when evaluating medical devices. Read more
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