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| Criterion |  Operations DMAIC |  Operations Standard Work Analysis |  Operations After-Action Review |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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. | 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. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 2-12 Wochen | 1-3 h | 20-45 min | 45-90 min |
Participantsdifferent | 3-10 | 2-6 | 3-12 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Lessons learned, Action items, Event summary | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Continuous improvementQualityProcess improvement | LeanProcessQuality | LearningOperationsImprovement | LeanProblem solvingCoachingOperations |