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| Criterion |  Operations 8D Problem Solving |  Decision Making Pareto Analysis |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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 | High | Low | Medium |
Timedifferent | 1-6 Wochen | 30-60 min | 1-5 Tage |
Participantsdifferent | 4-10 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Pareto Chart, Top Causes, Focus List | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | QualityProblem solvingRoot cause | PrioritizationQualityFocusRoot cause | ValidationExperimentsDemandDiscovery |
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