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| Criterion |  UX Research Affinity Diagramming |  Decision Making RAPID |  Operations Failure Mode and Effects Analysis |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 45–90 min | 45-90 min | 2-6 h | 30-60 min |
Participantsdifferent | 3-10 | 3-12 | 3-10 | 2-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | RAPID Role Map, Recommendation, Decision Log | FMEA Table, Risk Priority, Mitigation Actions | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | SynthesisQualitativeRoot cause | DecisionRolesGovernance | RiskQualityOperationsRoot cause | DecisionRolesGovernanceAlignment |