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| Criterion |  Decision Making Wideband Delphi |  Decision Making PERT Estimation |  Operations 8D Problem Solving |  Decision Making Three-Point Estimation |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 1-4 h or multiple rounds | 15-45 min | 1-6 Wochen | 10-30 min je Item |
Participantsdifferent | 4-12 Experten | 1-8 | 4-10 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | PERT Estimate, Expected Value, Risk Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Three-Point Estimate, Risk Range, Assumption Notes |
Tagsno overlap | EstimationExpertsForecasting | EstimationUncertaintyRisk | QualityProblem solvingRoot cause | EstimationUncertaintyForecasting |