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| Criterion |  UX Research Empathy Mapping |  Operations Barrier Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30–60 min | 2-4 h | 2-6 h |
Participantsdifferent | 4-8 | 2-6 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | SynthesisQualitativeWorkshop | Root causeSafetyIncident | Systems thinkingRoot causeConstraintsCausality |
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