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| Criterion |  Operations Theory of Constraints |  Operations 5 Whys |  Operations Process Mapping |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-4 h Analyse, laufend | 15-30 min | 1-3 h |
Participantsdifferent | 3-12 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Constraint Map, Improvement Plan, Flow Metrics | Root cause notes, Countermeasures | Process Map, Handoff List, Improvement Backlog |
Tagsno overlap | OperationsConstraintsFlowImprovement | Root causeIncidentLeanProblem solving | ProcessOperationsImprovement |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
