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| Criterion |  Growth Funnel Analysis |  Operations 8D Problem Solving |  Product Discovery Fake Door Test |
|---|---|---|---|
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 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. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-3 h | 1-6 Wochen | 1-5 Tage |
Participantsdifferent | 1-5 | 4-10 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AnalyticsConversionGrowth | QualityProblem solvingRoot cause | ValidationExperimentsDemandDiscovery |
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