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| Criterion |  Operations A3 Problem Solving |  Operations After-Action Review |  Operations ABC Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Medium | Low | Low |
Timedifferent | 45-90 min | 20-45 min | 30-60 min |
Participantsdifferent | 2-5 | 3-12 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary | ABC Classification, Focus Rules, Control List |
Tags1 shared | LeanProblem solvingCoachingOperations | LearningOperationsImprovement | PrioritizationOperationsPortfolio |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
