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| Criterion |  UX Research Affinity Diagramming |  Decision Making DACI |  UX Research User Interviews |  Decision Making RAPID |
|---|---|---|---|---|
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 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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 | Low | Low | Medium |
Timedifferent | 45–90 min | 30-60 min | 30–60 min per interview | 45-90 min |
Participantsdifferent | 3-10 | 2-10 | 1 participant per interview | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | DACI Matrix, Decision Owner, Decision Log | Interview Notes, Themes, Insight Summary | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | SynthesisQualitativeRoot cause | DecisionRolesGovernanceAlignment | QualitativeResearchCustomerDiscovery | DecisionRolesGovernance |