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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Operations RACI Matrix |  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. | 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. | 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 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 | Low | Low |
Timedifferent | 1-2 Tage | 20-45 min | 45-90 min | 30-60 min |
Participantsdifferent | Based on research question | Based on research question | 2-8 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | RACI Matrix, Responsibility Map, Decision Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | RolesResponsibilityGovernanceOperations | DecisionRolesGovernanceAlignment |