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| Criterion |  Facilitation Six Thinking Hats |  DevOps Blameless Postmortem |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | When a topic gets stuck too quickly in the same thinking mode, Six Thinking Hats deliberately separates the perspectives. This means facts, risks, creativity, and emotional signals get worked through one after another instead of mixed together. | 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 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 | Medium | High |
Timedifferent | 45-90 min | 30-90 min | 2-8 h |
Participantsdifferent | 4-12 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Perspective Notes, Decision Inputs, Action Items | Postmortem Doc, Action Items, Timeline | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | FacilitationOptionsDecision | Site Reliability EngineeringIncidentLearningReliability | Problem solvingRoot causeDecisionOperations |
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