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| Criterion |  UX Research Affinity Diagramming |  Agile ROAM Board |  UX Research Empathy Mapping |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 45–90 min | 20-40 min initial, dann laufend | 30–60 min | 2-6 h |
Participantsdifferent | 3-10 | 3-15 | 4-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | ROAM Board, Owner List | Empathy Map, Assumptions List, Research Gaps | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | SynthesisQualitativeRoot cause | RiskAgileTrackingAlignment | SynthesisQualitativeWorkshop | RiskRoot causeSafety |