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| Criterion |  UX Research First-click Testing |  Operations 8D Problem Solving |  Innovation Contradiction Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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. | 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. | 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. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 1-2 Tage | 1-6 Wochen | 60-120 min | 1-4 h |
Participantsdifferent | 10-30 | 4-10 | 2-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | UXNavigationFindabilityValidation | QualityProblem solvingRoot cause | ContradictionsInnovationProblem solving | Root causeProblem solvingQualityIncident |