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| Criterion |  Operations Family Tree Analysis |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 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 |
Timedifferent | 2-4 h | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-6 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Family Tree Diagram, Pattern Notes, Systemic Measures | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Root causePatternsIncidentSystemic | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |
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