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| Criterion |  Knowledge Modeling Teach-back |  Knowledge Modeling Feynman Technique |  Operations A3 Problem Solving |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | Teach-back checks whether an explanation actually got through to the other person. The method makes misunderstandings visible early and strengthens shared understanding in advisory and learning situations. | 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 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 5-20 min | 20-60 min | 45-90 min | 30-120 min |
Participantsdifferent | 2-8 | 1 | 2-5 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Plain-language Explanation, Knowledge Gaps, Study Notes | A3 Report, Action Plan, Root Cause Analysis | Observation Notes, Improvement Ideas |
Tagsno overlap | LearningUnderstandingCommunication | LearningKnowledgeUnderstanding | LeanProblem solvingCoachingOperations | LeanObservationProcessOperations |