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| Criterion |  Operations 5 Whys |  Growth A/B Testing |  Innovation Lean Startup |
|---|---|---|---|
Purposedifferent | 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. | 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 uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 15-30 min | 1-4 Wochen | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 2-6 | 1-6 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Experiment results, Decision log, Learning summary | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Root causeIncidentLeanProblem solving | ExperimentsGrowthAnalyticsValidation | LeanStartupValidationMVP |
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