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| Criterion |  Operations ABC Analysis |  Operations Theory of Constraints |  Operations Process Mapping |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | 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. | 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 | High | Medium | Low |
Timedifferent | 30-60 min | 2-4 h Analyse, laufend | 1-3 h | 30-120 min |
Participantsdifferent | 1-5 | 3-12 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Constraint Map, Improvement Plan, Flow Metrics | Process Map, Handoff List, Improvement Backlog | Observation Notes, Improvement Ideas |
Tags1 shared | PrioritizationOperationsPortfolio | OperationsConstraintsFlowImprovement | ProcessOperationsImprovement | LeanObservationProcessOperations |