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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Decision Making Risk Matrix |  Delivery Cost of Delay |
|---|---|---|---|---|
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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-2 Tage | 20-45 min | 30-60 min | 90-180 min |
Participantsdifferent | Based on research question | Based on research question | 3-10 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | Risk Matrix, Top Risk List | CoD Table, Prioritization Sequence |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | RiskDecisionPrioritizationAssessment | PrioritizationDeliveryEconomicsDecision |