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| Criterion |  Operations Theory of Constraints |  Decision Making Constraint Analysis |  Operations 5 Whys |
|---|---|---|---|
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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-4 h Analyse, laufend | 30-90 min | 15-30 min |
Participantsdifferent | 3-12 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint Map, Improvement Plan, Flow Metrics | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Root cause notes, Countermeasures |
Tagsno overlap | OperationsConstraintsFlowImprovement | ConstraintsDecisionPlanningOptions | Root causeIncidentLeanProblem solving |
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