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| Criterion |  Operations Causal Factor Analysis |  DevOps Blameless Postmortem |  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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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 | Medium | Medium |
Timedifferent | 2-6 h | 30-90 min | 1-3 h |
Participantsdifferent | 3-10 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Postmortem Doc, Action Items, Timeline | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Site Reliability EngineeringIncidentLearningReliability | FeedbackSystems thinkingCausalityDynamics |
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