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| Criterion |  Agile NoEstimates |  Operations Learning Review |  Operations After-Action Review |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | laufend | 1-3 h | 20-45 min | 45–75 min |
Participantsdifferent | 2-12 | 3-10 | 3-12 | Team members involved |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Learning Review Notes, System Factors, Improvement Actions | Lessons learned, Action items, Event summary | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | EstimationForecastingFlow | LearningRetrospectiveIncidentOperations | LearningOperationsImprovement | RetrospectiveLearningReflectionTeam |