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Intermediate
Why we picked it A clear step-by-step on running the 40% test correctly - who to survey, when, and how to avoid the sampling mistakes (resurveying the same users, surveying first-timers) that make the score meaningless.
Product-Market Fit Survey Guide: Sean Ellis 40% Test Template
From Learning Loop by Learning Loop
- Explains who qualifies to be surveyed (used the product at least twice, recently)
- Covers how to calculate and interpret the PMF score with benchmarks
- Recommends running the test quarterly on fresh cohorts to track trend, not a single snapshot
