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| Criterion |  Operations Root Cause Tree Analysis |  Growth A/B Testing |  Decision Making Pareto Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 h | 1-4 Wochen | 30-60 min | 15-30 min |
Participantsdifferent | 2-8 | 1-6 | 1-6 | 2-6 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Experiment results, Decision log, Learning summary | Pareto Chart, Top Causes, Focus List | Root cause notes, Countermeasures |
Tagsno overlap | Root causeTreeIncidentQuality | ExperimentsGrowthAnalyticsValidation | PrioritizationQualityFocusRoot cause | Root causeIncidentLeanProblem solving |