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| Criterion |  Operations Gemba Walk |  Systems Thinking Evaporating Cloud |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-120 min | 60-120 min | 1-4 Wochen |
Participantsdifferent | 2-6 | 2-8 | 1-6 |
Formatdifferent | Workshop | Workshop | Async |
Outputdifferent | Observation Notes, Improvement Ideas | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Experiment results, Decision log, Learning summary |
Tagsno overlap | LeanObservationProcessOperations | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsGrowthAnalyticsValidation |
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