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| Criterion |  UX Research Tree Testing |  Innovation TRIZ |  Operations Root Cause Analysis |  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 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. | 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 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 | High | Medium | Medium |
Timedifferent | 1-2 Tage | 1-4 h | 1-4 h | 60-120 min |
Participantsdifferent | Based on research question | 2-8 | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | Information architectureNavigationFindability | InnovationProblem solvingContradictionsCreativity | Root causeProblem solvingQualityIncident | ContradictionsInnovationProblem solving |