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| Criterion |  Delivery Value Stream Mapping |  Decision Making Three-Point Estimation |  Decision Making Delphi Method |
|---|---|---|---|
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. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-3 h | 10-30 min je Item | 1-4 Wochen |
Participantsdifferent | 4-10 | 1-8 | 6-30 Experten |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Three-Point Estimate, Risk Range, Assumption Notes | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | LeanFlowWasteDelivery | EstimationUncertaintyForecasting | ForecastingExpertsDecisionStrategy |
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