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| Criterion |  Decision Making PERT Estimation |  Agile Story Points |  Agile T-Shirt Sizing |
|---|---|---|---|
Purposedifferent | 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 teams want to rate complexity rather than hours, it creates a shared, relative scale. It sorts work by value, risk, and delivery ability. The result is captured as Point Estimates, Reference Stories, and Velocity Data. | When effort only needs to be classified roughly, it makes comparability more important than false precision. It helps sort work quickly into manageable sizes. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 15-45 min | laufend, 1-5 min je Item | 15-45 min |
Participantsdifferent | 1-8 | 3-9 | 2-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Point Estimates, Reference Stories, Velocity Data | Size Buckets, Rough Backlog Map, Split Candidates |
Tags1 shared | EstimationUncertaintyRisk | EstimationAgileMeasurement | EstimationAgileRoadmap |
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