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| Criterion |  Operations Kaizen Event |  Business Strategy Strategy Execution Loop |  Operations 8D Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
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. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | 0.5-5 Tage | Initial 3-6 h, then monthly or quarterly reviews | 1-6 Wochen | 15-30 min |
Participantsdifferent | 4-10 | 5-12 | 4-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Execution Loop, Review Cadence, Strategic Learning Log | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | LeanContinuous improvementOperations | ExecutionCadenceLearningGovernance | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving |