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Selected:After-Action ReviewA3 Problem SolvingLASR (Lightweight Approach for Software Reviews)8D Problem Solving
| Criterion |  Operations After-Action Review |  Operations A3 Problem Solving |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations 8D 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. | 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. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 20-45 min | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-6 Wochen |
Participantsdifferent | 3-12 | 2-5 | 1 or a small team; particularly suitable for 3–4 people | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | A3 Report, Action Plan, Root Cause Analysis | 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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LearningOperationsImprovement | LeanProblem solvingCoachingOperations | ArchitectureQualityRiskAssessmentLean | QualityProblem solvingRoot cause |