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| Criterion |  Product Discovery Smoke Test |  Agile Affinity Estimation |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1-5 Tage | 30-90 min | 45-60 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 3-12 | 2-8 | Nutzertraffic |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Affinity Size Map, Grouped Estimates, Unclear Items | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | EstimationBacklogRelative sizing | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |