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| Criterion |  Operations Fault Tree Analysis |  Product Discovery Smoke Test |  Operations Barrier Analysis |
|---|---|---|---|
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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-6 h | 1-5 Tage | 2-4 h |
Participantsdifferent | 3-8 | Nutzertraffic | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Interest Metrics, Conversion Signal, Learning Note | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskRoot causeSafety | ValidationExperimentsDemandGrowth | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
