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| Criterion |  Operations Failure Mode and Effects Analysis |  Growth A/B Testing |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitysame | High | High | High |
Timedifferent | 2-6 h | 1-4 Wochen | 2-8 h |
Participantsdifferent | 3-10 | 1-6 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Experiment results, Decision log, Learning summary | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | ExperimentsGrowthAnalyticsValidation | Problem solvingRoot causeDecisionOperations |
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