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| Criterion |  Operations Scatter Diagram |  Growth A/B Testing |  Product Discovery Smoke Test |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | Low | High | Low | High |
Timedifferent | 30-90 min | 1-4 Wochen | 1-5 Tage | 1-6 Wochen |
Participantsdifferent | 1-4 | 1-6 | Nutzertraffic | 4-10 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityVisualization | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth | QualityProblem solvingRoot cause |