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| Criterion |  Operations Causal Factor Analysis |  Operations 5 Whys |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|
Purposedifferent | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-6 h | 15-30 min | 1-3 h |
Participantsdifferent | 3-10 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving | FeedbackSystems thinkingCausalityDynamics |
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