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| Criterion |  Operations 8D Problem Solving |  UX Research Empathy Mapping |  Operations MORT Analysis |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | 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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | 1-6 Wochen | 30–60 min | Mehrere Tage bis Wochen | 45–90 min |
Participantsdifferent | 4-10 | 4-8 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Empathy Map, Assumptions List, Research Gaps | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | QualityProblem solvingRoot cause | SynthesisQualitativeWorkshop | Root causeSafetySystemicIncident | SynthesisQualitativeRoot cause |