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| Criterion |  UX Research Empathy Mapping |  Architecture Risk Storming |  UX Research Affinity Diagramming |  Operations Fault Tree Analysis |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. | 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 | 30–60 min | 60-90 min | 45–90 min | 2-6 h |
Participantsdifferent | 4-8 | 4-12 | 3-10 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Annotated Diagram, Prioritized Risk List, Action Backlog | Theme clusters, Insight statements, Opportunity areas | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | SynthesisQualitativeWorkshop | RiskArchitectureWorkshopValidation | SynthesisQualitativeRoot cause | RiskRoot causeSafety |