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| Criterion |  UX Research Tree Testing |  Operations Root Cause Analysis |  UX Research Affinity Diagramming |
|---|---|---|---|
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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-4 h | 45–90 min |
Participantsdifferent | Based on research question | 3-8 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | Information architectureNavigationFindability | Root causeProblem solvingQualityIncident | SynthesisQualitativeRoot cause |
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