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| Criterion |  DevOps Blameless Postmortem |  Innovation TRIZ |  Operations Learning Review |
|---|---|---|---|
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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-90 min | 1-4 h | 1-3 h |
Participantsdifferent | 3-12 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Contradiction Statement, Inventive Principles, Solution Concepts | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | InnovationProblem solvingContradictionsCreativity | LearningRetrospectiveIncidentOperations |
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