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| Criterion |  UX Research Tree Testing |  Operations RACI Matrix |  UX Research Card Sorting |  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. | 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. | 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 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 | 45-90 min | 20-45 min | 45-90 min |
Participantsdifferent | Based on research question | 2-8 | Based on research question | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | RACI Matrix, Responsibility Map, Decision Notes | Content groups, Label set, IA hypotheses | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | Information architectureNavigationFindability | RolesResponsibilityGovernanceOperations | Information architectureNavigationStructure | DecisionRolesGovernance |