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| Criterion |  UX Research Tree Testing |  Innovation Contradiction Analysis |  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. | 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. | 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 | Medium | Low | High |
Timedifferent | 1-2 Tage | 60-120 min | 15-30 min | 1-4 h |
Participantsdifferent | Based on research question | 2-8 | 2-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Root cause notes, Countermeasures | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | Information architectureNavigationFindability | ContradictionsInnovationProblem solving | Root causeIncidentLeanProblem solving | InnovationProblem solvingContradictionsCreativity |