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| Criterion |  Operations Fault Tree Analysis |  UX Research Affinity Diagramming |
|---|---|---|
Purposedifferent | 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. | 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 |
Timedifferent | 2-6 h | 45–90 min |
Participantsdifferent | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Theme clusters, Insight statements, Opportunity areas |
Tags1 shared | RiskRoot causeSafety | SynthesisQualitativeRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
