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| Criterion |  Operations Fault Tree Analysis |  Agile Three Amigos |  Operations 8D Problem Solving |
|---|---|---|---|
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 story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | High | Low | High |
Timedifferent | 2-6 h | 15-30 min | 1-6 Wochen |
Participantsdifferent | 3-8 | 3 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Clarified Story, Test Examples, Open Questions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | RiskRoot causeSafety | CollaborationBehavior-Driven DevelopmentQualityRefinement | QualityProblem solvingRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
