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| Criterion |  UX Research Tree Testing |  Operations 8D Problem Solving |  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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | High |
Timedifferent | 1-2 Tage | 1-6 Wochen | 1-4 h |
Participantsdifferent | Based on research question | 4-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | Information architectureNavigationFindability | QualityProblem solvingRoot cause | InnovationProblem solvingContradictionsCreativity |
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