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| Criterion |  Operations DMAIC |  Delivery Value Stream Mapping |  Operations Root Cause Analysis |  Operations Waste Analysis |
|---|---|---|---|---|
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 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 2-12 Wochen | 1-3 h | 1-4 h | 45-120 min |
Participantsdifferent | 3-10 | 4-10 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Current-state map, Future-state map, Bottleneck list | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Waste Map, Prioritized Waste, Improvement Backlog |
Tagsno overlap | Continuous improvementQualityProcess improvement | LeanFlowWasteDelivery | Root causeProblem solvingQualityIncident | WasteLeanProcess improvement |