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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
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. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. | 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 | Medium | Low | Low | Medium |
Timedifferent | 1-2 Tage | 20-45 min | 30-60 min | 45-90 min |
Participantsdifferent | Based on research question | Based on research question | 2-10 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |