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| Criterion |  Operations After-Action Review |  Business Strategy Strategic, Tactical and Operational Planning |  DevOps Blameless Postmortem |
|---|---|---|---|
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. | It places decisions and artifacts at the right level. Strategic planning clarifies direction, tactical planning translates it into programs, and operational planning steers concrete processes. | 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 | Medium |
Timedifferent | 20-45 min | 90-180 min | 30-90 min |
Participantsdifferent | 3-12 | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Planning Levels Map, Cadence Model, Planning Artifact Inventory | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningOperationsImprovement | CadenceGovernanceExecution | Site Reliability EngineeringIncidentLearningReliability |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
