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| Criterion |  Operations After-Action Review |  Delivery Cost of Delay |  Operations A3 Problem Solving |  Operations ABC Analysis |
|---|---|---|---|---|
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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 20-45 min | 90-180 min | 45-90 min | 30-60 min |
Participantsdifferent | 3-12 | 3-8 | 2-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Lessons learned, Action items, Event summary | CoD Table, Prioritization Sequence | A3 Report, Action Plan, Root Cause Analysis | ABC Classification, Focus Rules, Control List |
Tagsno overlap | LearningOperationsImprovement | PrioritizationDeliveryEconomicsDecision | LeanProblem solvingCoachingOperations | PrioritizationOperationsPortfolio |