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| Criterion |  Growth Funnel Analysis |  Decision Making Assumption Surfacing |  Operations 8D Problem Solving |  Operations Failure Mode and Effects 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 1-3 h | 45-90 min | 1-6 Wochen | 2-6 h |
Participantsdifferent | 1-5 | 2-8 | 4-10 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | Assumption List, Critical Assumptions, Learning Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | AnalyticsConversionGrowth | AssumptionsRiskDecisionDiscovery | QualityProblem solvingRoot cause | RiskQualityOperationsRoot cause |