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| Criterion |  UX Research Tree Testing |  Operations 5 Whys |  Innovation TRIZ |
|---|---|---|---|
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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-2 Tage | 15-30 min | 1-4 h |
Participantsdifferent | Based on research question | 2-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Root cause notes, Countermeasures | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | Information architectureNavigationFindability | Root causeIncidentLeanProblem solving | InnovationProblem solvingContradictionsCreativity |
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