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Selected:After-Action ReviewLASR (Lightweight Approach for Software Reviews)ALPEN MethodA3 Problem Solving
| Criterion |  Operations After-Action Review |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations ALPEN Method |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 20-45 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 10-20 min daily | 45-90 min |
Participantsdifferent | 3-12 | 1 or a small team; particularly suitable for 3–4 people | 1 | 2-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | 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 | Daily Plan, Time Estimates, Review Notes | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LearningOperationsImprovement | ArchitectureQualityRiskAssessmentLean | PlanningTime managementProductivityOperations | LeanProblem solvingCoachingOperations |