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| Criterion |  Operations Fault Tree Analysis |  Innovation Design Thinking |  Operations Root Cause Analysis |
|---|---|---|---|
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 complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 1 Tag bis mehrere Wochen | 1-4 h |
Participantsdifferent | 3-8 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Statement, Prototype, Test Learnings | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RiskRoot causeSafety | InnovationPrototypeResearch | Root causeProblem solvingQualityIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
