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| Criterion |  Agile Bucket System |  Decision Making PERT Estimation |  Agile NoEstimates |  Agile Affinity 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. | 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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 15-45 min | laufend | 30-90 min |
Participantsdifferent | 3-12 | 1-8 | 2-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Bucketed Backlog, Relative Estimates, Split Candidates | PERT Estimate, Expected Value, Risk Notes | Throughput Data, Flow Forecast, Slicing Rules | Affinity Size Map, Grouped Estimates, Unclear Items |
Tags1 shared | EstimationBacklogRelative sizing | EstimationUncertaintyRisk | EstimationForecastingFlow | EstimationBacklogRelative sizing |