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| Criterion |  UX Research Affinity Diagramming |  Operations Failure Mode and Effects Analysis |  Decision Making DACI |  Operations RACI Matrix |
|---|---|---|---|---|
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. | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 45–90 min | 2-6 h | 30-60 min | 45-90 min |
Participantsdifferent | 3-10 | 3-10 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | FMEA Table, Risk Priority, Mitigation Actions | DACI Matrix, Decision Owner, Decision Log | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | SynthesisQualitativeRoot cause | RiskQualityOperationsRoot cause | DecisionRolesGovernanceAlignment | RolesResponsibilityGovernanceOperations |