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| Criterion |  Delivery Value Stream Mapping |  Decision Making Delphi Method |  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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 | Medium |
Timedifferent | 1-3 h | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 4-10 | 6-30 Experten | Nutzertraffic |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Expert Forecast, Consensus Range, Assumption Notes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanFlowWasteDelivery | ForecastingExpertsDecisionStrategy | ValidationExperimentsDemandDiscovery |
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