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Selected:Learning ReviewAfter-Action ReviewLASR (Lightweight Approach for Software Reviews)4Ls Retrospective
| Criterion |  Operations Learning Review |  Operations After-Action Review |  Architecture LASR (Lightweight Approach for Software Reviews) |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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 | Low | Medium | Low |
Timedifferent | 1-3 h | 20-45 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45–75 min |
Participantsdifferent | 3-10 | 3-12 | 1 or a small team; particularly suitable for 3–4 people | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Lessons learned, Action items, Event summary | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | LearningRetrospectiveIncidentOperations | LearningOperationsImprovement | ArchitectureQualityRiskAssessmentLean | RetrospectiveLearningReflectionTeam |