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| Criterion |  Operations Kepner-Tregoe |  Growth A/B Testing |  Product Discovery Assumption Mapping |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | High | High | Medium | High |
Timedifferent | 2-8 h | 1-4 Wochen | 45-60 min | 2-6 h |
Participantsdifferent | 2-8 | 1-6 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation | RiskQualityOperationsRoot cause |