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Usability Test
Card Sorting
Participants sort cards representing features or concepts into groups, exposing their mental models of how information should be organized or prioritized. The activity is performed with external users to reveal their understanding and preferences, with results analyzed for patterns.
When This Method Fits
Typical duration
Hours – Days
Typical cost
Low
Fidelity level
Talk Only
Stage
Discovery
Hypothesis type
Desirability
Goal type
Find product-market fit, Deepen product-market fit, Maximize societal impact
Randomization
N/A
Study design
Individual case report
Minimum units needed
8
1Best Fit When
Best when you want to understand how customers naturally organize or prioritize a set of features or concepts, revealing groupings you might not expect.