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| Criterion |  Knowledge Modeling Teach-back |  Knowledge Modeling Feynman Technique |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 5-20 min | 20-60 min | 15-30 min | 1-4 h |
Participantsdifferent | 2-8 | 1 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Plain-language Explanation, Knowledge Gaps, Study Notes | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LearningUnderstandingCommunication | LearningKnowledgeUnderstanding | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |