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| Criterion |  UX Research Tree Testing |  Operations 5 Whys |  Innovation Contradiction Analysis |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 Tage | 15-30 min | 60-120 min |
Participantsdifferent | Based on research question | 2-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Root cause notes, Countermeasures | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | Information architectureNavigationFindability | Root causeIncidentLeanProblem solving | ContradictionsInnovationProblem solving |
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