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| Criterion |  Product Discovery Assumption Mapping |  Operations Failure Mode and Effects Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | Medium | High | High |
Timedifferent | 45-60 min | 2-6 h | 2-6 h |
Participantsdifferent | 2-8 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | FMEA Table, Risk Priority, Mitigation Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tags1 shared | AssumptionsRiskExperimentsValidation | RiskQualityOperationsRoot cause | RiskRoot causeSafety |
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