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| Criterion |  UX Research Tree Testing |  Operations RACI Matrix |  Decision Making RAPID |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. | 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. | 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 | Medium | Low | Medium | Low |
Timedifferent | 1-2 Tage | 45-90 min | 45-90 min | 30-60 min |
Participantsdifferent | Based on research question | 2-8 | 3-12 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | RACI Matrix, Responsibility Map, Decision Notes | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Information architectureNavigationFindability | RolesResponsibilityGovernanceOperations | DecisionRolesGovernance | DecisionRolesGovernanceAlignment |