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| Criterion |  Operations DMAIC |  Decision Making Three-Point Estimation |  Delivery Value Stream Mapping |
|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-12 Wochen | 10-30 min je Item | 1-3 h |
Participantsdifferent | 3-10 | 1-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Three-Point Estimate, Risk Range, Assumption Notes | Current-state map, Future-state map, Bottleneck list |
Tagsno overlap | Continuous improvementQualityProcess improvement | EstimationUncertaintyForecasting | LeanFlowWasteDelivery |
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