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| Criterion |  Operations Failure Mode and Effects Analysis |  Systems Thinking Causal Loop Diagram |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 1-3 h | 1-3 h |
Participantsdifferent | 3-10 | 2-8 | 2-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Causal Loop Diagram, Feedback Notes, Leverage Points | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | RiskQualityOperationsRoot cause | FeedbackSystems thinkingCausalityDynamics | Root causeTreeIncidentQuality |
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