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| Criterion |  Decision Making PERT Estimation |  Agile NoEstimates |  Delivery Value Stream Mapping |
|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 15-45 min | laufend | 1-3 h |
Participantsdifferent | 1-8 | 2-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Throughput Data, Flow Forecast, Slicing Rules | Current-state map, Future-state map, Bottleneck list |
Tagsno overlap | EstimationUncertaintyRisk | EstimationForecastingFlow | LeanFlowWasteDelivery |
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