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| Criterion |  Agile T-Shirt Sizing |  Operations A3 Problem Solving |  Operations Kaizen Event |
|---|---|---|---|
Purposedifferent | When effort only needs to be classified roughly, it makes comparability more important than false precision. It helps sort work quickly into manageable sizes. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 45-90 min | 0.5-5 Tage |
Participantsdifferent | 2-12 | 2-5 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Size Buckets, Rough Backlog Map, Split Candidates | A3 Report, Action Plan, Root Cause Analysis | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | EstimationAgileRoadmap | LeanProblem solvingCoachingOperations | LeanContinuous improvementOperations |
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