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| Criterion |  Decision Making DACI |  UX Research User Interviews |  Decision Making RAPID |  UX Research Personas |
|---|---|---|---|---|
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. | 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. | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 30–60 min per interview | 45-90 min | 1-3 Tage |
Participantsdifferent | 2-10 | 1 participant per interview | 3-12 | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Interview Notes, Themes, Insight Summary | RAPID Role Map, Recommendation, Decision Log | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | DecisionRolesGovernanceAlignment | QualitativeResearchCustomerDiscovery | DecisionRolesGovernance | ResearchCustomerSynthesis |