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| Criterion |  Operations A3 Problem Solving |  Knowledge Modeling Concept Mapping |  Engineering Fault Isolation |  Operations Kaizen Event |
|---|---|---|---|---|
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. | 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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-2 h | 30-180 min | 0.5-5 Tage |
Participantsdifferent | 2-5 | 1-8 | 1-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Concept Map, Relationship Labels, Knowledge Gaps | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanProblem solvingCoachingOperations | KnowledgeConceptsMappingSensemaking | TroubleshootingDiagnosisEngineering | LeanContinuous improvementOperations |