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| Criterion |  Operations Fault Tree Analysis |  UX Research Personas |
|---|---|---|
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 target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. |
Complexitydifferent | High | Medium |
Timedifferent | 2-6 h | 1-3 Tage |
Participantsdifferent | 3-8 | Internes Team |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | RiskRoot causeSafety | ResearchCustomerSynthesis |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
