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| Criterion |  Operations After-Action Review |  DevOps ChatOps |  Agile Sailboat Retrospective |  Agile Starfish Retrospective |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | When a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 20-45 min | Ongoing | 45-90 min | 45-90 min |
Participantsdifferent | 3-12 | 2-20 | 4-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Chat Transcript, Action Log, Automations | Sailboat Board, Risks, Improvement Actions | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | LearningOperationsImprovement | CollaborationEngineeringIncident | RetrospectiveTeamImprovement | RetrospectiveImprovementExperimentsTeam |