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| Criterion |  Operations Causal Factor Analysis |  DevOps Blameless Postmortem |  Decision Making Force Field Analysis |  DevOps Incident Timeline Analysis |
|---|---|---|---|---|
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. | 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 an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 2-6 h | 30-90 min | 45-90 min | 60-180 min |
Participantsdifferent | 3-10 | 3-12 | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Postmortem Doc, Action Items, Timeline | Force Field Map, Change Levers, Risk Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Site Reliability EngineeringIncidentLearningReliability | ChangeDecisionStrategy | IncidentTimelineSite Reliability Engineering |