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| Criterion |  Operations Waste Analysis |  Operations Process Mapping |  Operations DMAIC |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 45-120 min | 1-3 h | 2-12 Wochen | 30-120 min |
Participantsdifferent | 2-8 | 3-10 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Process Map, Handoff List, Improvement Backlog | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Observation Notes, Improvement Ideas |
Tagsno overlap | WasteLeanProcess improvement | ProcessOperationsImprovement | Continuous improvementQualityProcess improvement | LeanObservationProcessOperations |