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| Criterion |  Product Discovery Fake Door Test |  Product Strategy DIBB |  Product Discovery Learning Card |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-5 Tage | 1-2 h | 25-40 min | 45-60 min |
Participantsdifferent | Nutzertraffic | 2-8 | 1-5 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | DIBB document, Belief list, Bet list, Learning report | Learning Card with evidence and next action | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ValidationExperimentsDemandDiscovery | StrategyDecisionAssumptionsHypothesis | ExperimentsValidationDiscoveryLearning | AssumptionsRiskExperimentsValidation |