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Real World Trial
Single-Feature MVP
A minimal, functional version of a product with only one core feature is built and released to real or external users. The team observes how these users interact with it, including engagement, behavior, and satisfaction, to validate whether the feature actually solves their problem.
When This Method Fits
Typical duration
Weeks – Months
Typical cost
High – Very High
Fidelity level
Live Limited
Stage
Validation
Hypothesis type
Desirability, Feasibility, Viability
Goal type
Find product-market fit, Deepen product-market fit, Validate go-to-market strategy
Randomization
N/A
Study design
Individual case report
Minimum units needed
30
1Best Fit When
Best when you need real, functional validation of a core value proposition and are ready to invest real build effort, not just a mockup.