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| Criterion |  Operations Fault Tree Analysis |  Systems Thinking Current Reality Tree |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 2-6 h | 45-60 min |
Participantsdifferent | 3-8 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Current Reality Tree, Core Problems, Intervention Ideas | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskRoot causeSafety | Systems thinkingRoot causeConstraintsCausality | AssumptionsRiskExperimentsValidation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
