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| Criterion |  UX Research Tree Testing |  Architecture Request for Comments |  UX Research Card Sorting |  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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 20-45 min | 30-60 min |
Participantsdifferent | Based on research question | 3-20 Reviewer | Based on research question | 2-10 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Content groups, Label set, IA hypotheses | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Information architectureNavigationFindability | ArchitectureDecisionAsyncGovernance | Information architectureNavigationStructure | DecisionRolesGovernanceAlignment |