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| Criterion |  Agile Planning Poker |  Agile Affinity Estimation |  Agile Specification by Example |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | 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 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 effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 2-5 min je Item | 30-90 min | 60-90 min pro Feature | 15-60 min |
Participantsdifferent | 3-9 | 3-12 | 3-6 | 2-9 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Relative Estimates, Assumption Notes, Split Candidates | Affinity Size Map, Grouped Estimates, Unclear Items | Example Table, Acceptance Tests | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationAgileRelative sizingTeam | EstimationBacklogRelative sizing | AgileRequirementsExamplesBehavior-Driven Development | EstimationEffortAgile |