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| Criterion |  Agile Story Points |  Agile T-Shirt Sizing |  Decision Making PERT Estimation |  Agile Planning Poker |
|---|---|---|---|---|
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. | 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. | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | laufend, 1-5 min je Item | 15-45 min | 15-45 min | 2-5 min je Item |
Participantsdifferent | 3-9 | 2-12 | 1-8 | 3-9 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Point Estimates, Reference Stories, Velocity Data | Size Buckets, Rough Backlog Map, Split Candidates | PERT Estimate, Expected Value, Risk Notes | Relative Estimates, Assumption Notes, Split Candidates |
Tags1 shared | EstimationAgileMeasurement | EstimationAgileRoadmap | EstimationUncertaintyRisk | EstimationAgileRelative sizingTeam |