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| Criterion |  UX Research Tree Testing |  Knowledge Modeling IBIS |  UX Research Usability Testing |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 1-3 h | 1-2 h je Session |
Participantsdifferent | Based on research question | 2-8 | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Issue Map, Positions, Argument Notes | Usability Issues, Severity List, Recommendations |
Tagsno overlap | Information architectureNavigationFindability | RationaleKnowledgeDecision | ValidationUXPrototype |
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