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| Criterion |  Agile Affinity Estimation |  Engineering Goal Question Metric |  Agile Bucket System |
|---|---|---|---|
Purposedifferent | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 90-180 min | 30-90 min |
Participantsdifferent | 3-12 | 3-6 | 3-12 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | GQM Table, Metric Profiles | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationBacklogRelative sizing | MetricsMeasurementEngineeringAlignment | EstimationBacklogRelative sizing |
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