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| Criterion |  Delivery Value Stream Mapping |  Agile WSJF |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Medium | High | Low | Medium |
Timedifferent | 1-3 h | 45-90 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 4-10 | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop | Workshop + async | Async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Ranked Backlog, Cost-of-Delay Assumptions | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanFlowWasteDelivery | LeanEconomicsSequencePrioritization | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |