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| Criterion |  UX Research First-click Testing |  Operations Fishbone Diagram |  Product Discovery Assumption Mapping |  Operations 8D Problem Solving |
|---|---|---|---|---|
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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 1-2 Tage | 30-60 min | 45-60 min | 1-6 Wochen |
Participantsdifferent | 10-30 | 2-8 | 2-8 | 4-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Fishbone Diagram, Cause Categories, Investigation Backlog | Assumption map, Test backlog, Risk ranking | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | UXNavigationFindabilityValidation | Root causeQualityOperations | AssumptionsRiskExperimentsValidation | QualityProblem solvingRoot cause |