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| Criterion |  Agile Story Points |  Decision Making PERT Estimation |  Agile T-Shirt Sizing |  Facilitation Dot Estimation |
|---|---|---|---|---|
Purposedifferent | 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. | 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 effort only needs to be classified roughly, it makes comparability more important than false precision. It helps sort work quickly into manageable sizes. | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | laufend, 1-5 min je Item | 15-45 min | 15-45 min | 5-20 min |
Participantsdifferent | 3-9 | 1-8 | 2-12 | 3-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Point Estimates, Reference Stories, Velocity Data | PERT Estimate, Expected Value, Risk Notes | Size Buckets, Rough Backlog Map, Split Candidates | Effort Heatmap, Risk Signals, Discussion Targets |
Tags1 shared | EstimationAgileMeasurement | EstimationUncertaintyRisk | EstimationAgileRoadmap | EstimationEffortRisk |