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| Criterion |  Agile Starfish Retrospective |  DevOps Blameless Postmortem |
|---|---|---|
Purposedifferent | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | 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 | Medium |
Timedifferent | 45-90 min | 30-90 min |
Participantsdifferent | 4-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | Site Reliability EngineeringIncidentLearningReliability |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
