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| Criterion |  Decision Making Pareto Analysis |  Product Discovery Fake Door Test |  Operations 8D Problem Solving |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30-60 min | 1-5 Tage | 1-6 Wochen | 45-75 min |
Participantsdifferent | 1-6 | Nutzertraffic | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Pareto Chart, Top Causes, Focus List | Click Data, Interest Signal, Learning Decision | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Test Matrix, Test Plan |
Tagsno overlap | PrioritizationQualityFocusRoot cause | ValidationExperimentsDemandDiscovery | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryOptions |