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| Criterion |  Operations Kaizen Event |  Growth A/B Testing |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 0.5-5 Tage | 1-4 Wochen | 1-4 h |
Participantsdifferent | 4-10 | 1-6 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Experiment results, Decision log, Learning summary | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanContinuous improvementOperations | ExperimentsGrowthAnalyticsValidation | Root causeProblem solvingQualityIncident |
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