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| Criterion |  Operations Fault Tree Analysis |  Facilitation Alignment Mapping |  UX Research Affinity Diagramming |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | 2-6 h | 1-2 h | 45–90 min | 15-45 min |
Participantsdifferent | 3-8 | 4-12 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Alignment Map, Open Issues, Decision Questions | Theme clusters, Insight statements, Opportunity areas | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | RiskRoot causeSafety | AlignmentStakeholdersStrategyFacilitation | SynthesisQualitativeRoot cause | ComparisonFacilitationAlignment |