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| Criterion |  Operations PDCA Cycle |  Decision Making Three-Point Estimation |  Delivery Value Stream Mapping |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | 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. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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 | Medium |
Timedifferent | 1 h bis mehrere Wochen | 10-30 min je Item | 1-3 h | 0.5-5 Tage |
Participantsdifferent | 1-8 | 1-8 | 4-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Three-Point Estimate, Risk Range, Assumption Notes | Current-state map, Future-state map, Bottleneck list | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | Continuous improvementLeanExperiments | EstimationUncertaintyForecasting | LeanFlowWasteDelivery | LeanContinuous improvementOperations |