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| Criterion |  Operations Fault Tree Analysis |  UX Research Card Sorting |
|---|---|---|
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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. |
Complexitydifferent | High | Low |
Timedifferent | 2-6 h | 20-45 min |
Participantsdifferent | 3-8 | Based on research question |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Content groups, Label set, IA hypotheses |
Tagsno overlap | RiskRoot causeSafety | Information architectureNavigationStructure |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
