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| Criterion |  Operations Scatter Diagram |  Growth A/B Testing |  Operations 8D Problem Solving |  Product Discovery Smoke Test |
|---|---|---|---|---|
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. | 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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Low | High | High | Low |
Timedifferent | 30-90 min | 1-4 Wochen | 1-6 Wochen | 1-5 Tage |
Participantsdifferent | 1-4 | 1-6 | 4-10 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Experiment results, Decision log, Learning summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | Root causeQualityVisualization | ExperimentsGrowthAnalyticsValidation | QualityProblem solvingRoot cause | ValidationExperimentsDemandGrowth |