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Usability Test
Life-Sized Prototype
A physical, life-sized model of a solution is constructed and used to observe how people interact with it in a real-world setting. This involves external participants engaging with the prototype to assess its physical or environmental fit.
When This Method Fits
Typical duration
Days – Weeks
Typical cost
Very High
Fidelity level
Mockup
Stage
Validation
Hypothesis type
Desirability, Feasibility, Viability
Goal type
Find product-market fit, Deepen product-market fit, Scale the model, Drive corporate innovation / R&D
Randomization
N/A
Study design
Individual case report
Minimum units needed
5
1Best Fit When
Best when a physical solution's real-world spatial fit and environmental interaction can't be judged from a smaller-scale model or drawing.