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| Criterion |  Operations A3 Problem Solving |  Knowledge Modeling Feynman Technique |  Knowledge Modeling Concept Mapping |  Operations After-Action Review |
|---|---|---|---|---|
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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-90 min | 20-60 min | 1-2 h | 20-45 min |
Participantsdifferent | 2-5 | 1 | 1-8 | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Plain-language Explanation, Knowledge Gaps, Study Notes | Concept Map, Relationship Labels, Knowledge Gaps | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | LearningKnowledgeUnderstanding | KnowledgeConceptsMappingSensemaking | LearningOperationsImprovement |