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| Criterion |  Operations Fault Tree Analysis |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 1-5 Tage | 45-75 min |
Participantsdifferent | 3-8 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | RiskRoot causeSafety | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |
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