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| Criterion |  UX Research Usability Testing |  Operations 8D Problem Solving |  UX Research Empathy Mapping |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-2 h je Session | 1-6 Wochen | 30–60 min |
Participantsdifferent | Based on research question | 4-10 | 4-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | ValidationUXPrototype | QualityProblem solvingRoot cause | SynthesisQualitativeWorkshop |
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