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| Criterion |  Operations RACI Matrix |  Agile 4Ls Retrospective |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 45-90 min | 45–75 min | 30-90 min |
Participantsdifferent | 2-8 | Team members involved | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | 4Ls Board, Learning Themes, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | RolesResponsibilityGovernanceOperations | RetrospectiveLearningReflectionTeam | Site Reliability EngineeringIncidentLearningReliability |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
