root cause

MD+DI Article: “Root Cause Analysis: Adventures in Medical Device Usability”

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

Getting to the Root

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. Read more

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