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| Criterion |  Operations PDCA Cycle |  Delivery Value Stream Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1 h bis mehrere Wochen | 1-3 h | 1-5 Tage |
Participantsdifferent | 1-8 | 4-10 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Current-state map, Future-state map, Bottleneck list | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Continuous improvementLeanExperiments | LeanFlowWasteDelivery | ValidationExperimentsDemandDiscovery |
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