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| Criterion |  Operations DMAIC |  Decision Making PERT Estimation |  Decision Making Wideband Delphi |
|---|---|---|---|
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. | 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. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. |
Complexitydifferent | High | Medium | High |
Timedifferent | 2-12 Wochen | 15-45 min | 1-4 h or multiple rounds |
Participantsdifferent | 3-10 | 1-8 | 4-12 Experten |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | PERT Estimate, Expected Value, Risk Notes | Estimate Range, Assumption Log, Expert Consensus Notes |
Tagsno overlap | Continuous improvementQualityProcess improvement | EstimationUncertaintyRisk | EstimationExpertsForecasting |
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