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| Criterion |  Growth Funnel Analysis |  Product Discovery Assumption Mapping |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 45-60 min | 30-60 min | 20-35 min |
Participantsdifferent | 1-5 | 2-8 | 1-5 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | Assumption map, Test backlog, Risk ranking | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | AnalyticsConversionGrowth | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |