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| Criterion |  Agile Ideal Days |  Agile Affinity Estimation |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
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. | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-60 min | 30-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-9 | 3-12 | 2-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Affinity Size Map, Grouped Estimates, Unclear Items | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | EstimationEffortAgile | EstimationBacklogRelative sizing | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |