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| Criterion |  Agile Affinity Estimation |  Operations Kepner-Tregoe |  Decision Making DACI |  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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 30-90 min | 2-8 h | 30-60 min | 30-90 min |
Participantsdifferent | 3-12 | 2-8 | 2-10 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Problem Analysis, Decision Analysis, Risk Plan | DACI Matrix, Decision Owner, Decision Log | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationBacklogRelative sizing | Problem solvingRoot causeDecisionOperations | DecisionRolesGovernanceAlignment | EstimationBacklogRelative sizing |