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| Criterion |  Operations Barrier Analysis |  Growth A/B Testing |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2-4 h | 1-4 Wochen | 1-3 h |
Participantsdifferent | 2-6 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Experiment results, Decision log, Learning summary | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | ExperimentsGrowthAnalyticsValidation | Root causeTreeIncidentQuality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
