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| Criterion |  Operations Fault Tree Analysis |  Operations 8D Problem Solving |  Innovation Reverse Brainstorming |
|---|---|---|---|
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 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-6 h | 1-6 Wochen | 30-60 min |
Participantsdifferent | 3-8 | 4-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | RiskRoot causeSafety | QualityProblem solvingRoot cause | BrainstormingIdeationCreativityRisk |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
