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| Criterion |  Agile T-Shirt Sizing |  Agile Specification by Example |  Agile Affinity Estimation |  Agile Planning Poker |
|---|---|---|---|---|
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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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 | Low | Medium | Medium | Low |
Timedifferent | 15-45 min | 60-90 min pro Feature | 30-90 min | 2-5 min je Item |
Participantsdifferent | 2-12 | 3-6 | 3-12 | 3-9 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Size Buckets, Rough Backlog Map, Split Candidates | Example Table, Acceptance Tests | Affinity Size Map, Grouped Estimates, Unclear Items | Relative Estimates, Assumption Notes, Split Candidates |
Tagsno overlap | EstimationAgileRoadmap | AgileRequirementsExamplesBehavior-Driven Development | EstimationBacklogRelative sizing | EstimationAgileRelative sizingTeam |