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| Criterion |  Operations Family Tree Analysis |  DevOps Blameless Postmortem |  Decision Making Force Field Analysis |
|---|---|---|---|
Purposedifferent | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 2-4 h | 30-90 min | 45-90 min |
Participantsdifferent | 2-6 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Family Tree Diagram, Pattern Notes, Systemic Measures | Postmortem Doc, Action Items, Timeline | Force Field Map, Change Levers, Risk Notes |
Tagsno overlap | Root causePatternsIncidentSystemic | Site Reliability EngineeringIncidentLearningReliability | ChangeDecisionStrategy |
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