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| Criterion |  Agile Ideal Days |  Agile Affinity Estimation |  Agile Example Mapping |  Agile Specification by Example |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a story carries business rules and exceptions, it brings clarity before implementation. It makes examples, open questions, and boundaries visible enough that the logic becomes jointly sound. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-60 min | 30-90 min | 30-60 min | 60-90 min pro Feature |
Participantsdifferent | 2-9 | 3-12 | 3-7 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Affinity Size Map, Grouped Estimates, Unclear Items | Example Map, Acceptance Criteria, Open Questions | Example Table, Acceptance Tests |
Tagsno overlap | EstimationEffortAgile | EstimationBacklogRelative sizing | Behavior-Driven DevelopmentRequirementsExamplesRefinement | AgileRequirementsExamplesBehavior-Driven Development |