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| Criterion |  Operations 5 Whys |  Systems Thinking Causal Loop Diagram |  Operations MORT Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 15-30 min | 1-3 h | Mehrere Tage bis Wochen | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Causal Loop Diagram, Feedback Notes, Leverage Points | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Root causeIncidentLeanProblem solving | FeedbackSystems thinkingCausalityDynamics | Root causeSafetySystemicIncident | CausalityIncidentRoot causeTimeline |