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| Criterion |  Growth Funnel Analysis |  Operations Fault Tree Analysis |  Product Discovery Smoke Test |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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 | Medium | High | Low | Medium |
Timedifferent | 1-3 h | 2-6 h | 1-5 Tage | 2-4 h |
Participantsdifferent | 1-5 | 3-8 | Nutzertraffic | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Interest Metrics, Conversion Signal, Learning Note | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | AnalyticsConversionGrowth | RiskRoot causeSafety | ValidationExperimentsDemandGrowth | Root causeSafetyIncident |