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| Criterion |  Operations Fault Tree Analysis |  Operations Failure Mode and Effects Analysis |  Agile Specification by Example |
|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 2-6 h | 60-90 min pro Feature |
Participantsdifferent | 3-8 | 3-10 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | FMEA Table, Risk Priority, Mitigation Actions | Example Table, Acceptance Tests |
Tagsno overlap | RiskRoot causeSafety | RiskQualityOperationsRoot cause | AgileRequirementsExamplesBehavior-Driven Development |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
