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| Criterion |  Systems Thinking Evaporating Cloud |  Product Discovery Smoke Test |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 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 | Medium | Low | Medium | Medium |
Timedifferent | 60-120 min | 1-5 Tage | 45-60 min | 1-5 Tage |
Participantsdifferent | 2-8 | Nutzertraffic | 2-8 | Nutzertraffic |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Interest Metrics, Conversion Signal, Learning Note | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | ValidationExperimentsDemandGrowth | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |