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| Criterion |  Operations Kaizen Event |  Product Discovery Problem Interview |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | 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. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 0.5-5 Tage | 30-60 min je Interview | 45-90 min |
Participantsdifferent | 4-10 | 5-12 Interviews | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Problem Evidence, Risk Notes, Customer Segments | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanContinuous improvementOperations | DiscoveryInterviewsValidation | LeanProblem solvingCoachingOperations |
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