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| Criterion |  Product Discovery Assumption Mapping |  Engineering Fault Isolation |  Product Discovery Smoke Test |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-60 min | 30-180 min | 1-5 Tage |
Participantsdifferent | 2-8 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | AssumptionsRiskExperimentsValidation | TroubleshootingDiagnosisEngineering | ValidationExperimentsDemandGrowth |
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