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| Criterion |  Operations Fishbone Diagram |  Operations After-Action Review |  Knowledge Modeling Feynman Technique |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 30-60 min | 20-45 min | 20-60 min | 2-8 h |
Participantsdifferent | 2-8 | 3-12 | 1 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Lessons learned, Action items, Event summary | Plain-language Explanation, Knowledge Gaps, Study Notes | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Root causeQualityOperations | LearningOperationsImprovement | LearningKnowledgeUnderstanding | Problem solvingRoot causeDecisionOperations |