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| Criterion |  Operations After-Action Review |  Operations A3 Problem Solving |  Decision Making Decision Matrix |
|---|---|---|---|
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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 45-90 min | 45-90 min |
Participantsdifferent | 3-12 | 2-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | A3 Report, Action Plan, Root Cause Analysis | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | LearningOperationsImprovement | LeanProblem solvingCoachingOperations | DecisionCriteriaScoringTradeoffs |
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