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| Criterion |  Operations 8D Problem Solving |  Growth A/B Testing |  Product Discovery MVP Test Matrix |
|---|---|---|---|
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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | High | High | Medium |
Timedifferent | 1-6 Wochen | 1-4 Wochen | 45-75 min |
Participantsdifferent | 4-10 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Experiment results, Decision log, Learning summary | Test Matrix, Test Plan |
Tagsno overlap | QualityProblem solvingRoot cause | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryOptions |
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