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| Criterion |  Agile Bucket System |  Decision Making Wideband Delphi |  Decision Making PERT Estimation |
|---|---|---|---|
Purposedifferent | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-90 min | 1-4 h or multiple rounds | 15-45 min |
Participantsdifferent | 3-12 | 4-12 Experten | 1-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Bucketed Backlog, Relative Estimates, Split Candidates | Estimate Range, Assumption Log, Expert Consensus Notes | PERT Estimate, Expected Value, Risk Notes |
Tags1 shared | EstimationBacklogRelative sizing | EstimationExpertsForecasting | EstimationUncertaintyRisk |
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