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| Criterion |  Operations Failure Mode and Effects Analysis |  Systems Thinking Causal Loop Diagram |  Operations Root Cause 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. | 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 | Medium | Medium |
Timedifferent | 2-6 h | 1-3 h | 1-4 h |
Participantsdifferent | 3-10 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Causal Loop Diagram, Feedback Notes, Leverage Points | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | FeedbackSystems thinkingCausalityDynamics | Root causeProblem solvingQualityIncident |
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