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| Criterion |  Operations Fishbone Diagram |  Agile Specification by Example |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-60 min | 60-90 min pro Feature | 2-6 h |
Participantsdifferent | 2-8 | 3-6 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Example Table, Acceptance Tests | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeQualityOperations | AgileRequirementsExamplesBehavior-Driven Development | RiskRoot causeSafety |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
