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| Criterion |  Agile T-Shirt Sizing |  Agile Specification by Example |  Agile Story Points |
|---|---|---|---|
Purposedifferent | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 60-90 min pro Feature | laufend, 1-5 min je Item |
Participantsdifferent | 2-12 | 3-6 | 3-9 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Size Buckets, Rough Backlog Map, Split Candidates | Example Table, Acceptance Tests | Point Estimates, Reference Stories, Velocity Data |
Tags1 shared | EstimationAgileRoadmap | AgileRequirementsExamplesBehavior-Driven Development | EstimationAgileMeasurement |
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