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| Criterion |  Operations Kaizen Event |  Operations PDCA Cycle |  Operations After-Action Review |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 0.5-5 Tage | 1 h bis mehrere Wochen | 20-45 min | 25-40 min |
Participantsdifferent | 4-10 | 1-8 | 3-12 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Lessons learned, Action items, Event summary | Learning Card with evidence and next action |
Tagsno overlap | LeanContinuous improvementOperations | Continuous improvementLeanExperiments | LearningOperationsImprovement | ExperimentsValidationDiscoveryLearning |