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| Criterion |  Decision Making DACI |  Operations Change Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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 | High | Medium |
Timedifferent | 30-60 min | 45-120 min | Preparation, scenario analysis, and findings review; effort depends on scope | 45-90 min |
Participantsdifferent | 2-10 | 2-6 | Architecture experts and stakeholders for scenarios and weighting | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | DecisionRolesGovernanceAlignment | ChangeRoot causeTroubleshootingComparison | ArchitectureChangeAnalysisComparisonQuality | DecisionRolesGovernance |