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| Criterion |  Operations Fault Tree Analysis |  Operations Fishbone Diagram |  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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Low | Medium |
Timedifferent | 2-6 h | 30-60 min | 60-90 min pro Feature |
Participantsdifferent | 3-8 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Example Table, Acceptance Tests |
Tagsno overlap | RiskRoot causeSafety | Root causeQualityOperations | AgileRequirementsExamplesBehavior-Driven Development |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
