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| Criterion |  Facilitation Dot Estimation |  Agile Story Points |  Agile T-Shirt Sizing |  Decision Making PERT Estimation |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Low | Medium | Low | Medium |
Timedifferent | 5-20 min | laufend, 1-5 min je Item | 15-45 min | 15-45 min |
Participantsdifferent | 3-20 | 3-9 | 2-12 | 1-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Point Estimates, Reference Stories, Velocity Data | Size Buckets, Rough Backlog Map, Split Candidates | PERT Estimate, Expected Value, Risk Notes |
Tags1 shared | EstimationEffortRisk | EstimationAgileMeasurement | EstimationAgileRoadmap | EstimationUncertaintyRisk |