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| Criterion |  DevOps Blameless Postmortem |  Operations 8D Problem Solving |  Decision Making Force Field Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 30-90 min | 1-6 Wochen | 45-90 min | 2-8 h |
Participantsdifferent | 3-12 | 4-10 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Force Field Map, Change Levers, Risk Notes | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | QualityProblem solvingRoot cause | ChangeDecisionStrategy | Problem solvingRoot causeDecisionOperations |