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| Criterion |  Operations PDCA Cycle |  Operations 5 Whys |  Decision Making RAPID |
|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 1 h bis mehrere Wochen | 15-30 min | 45-90 min |
Participantsdifferent | 1-8 | 2-6 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Root cause notes, Countermeasures | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | Continuous improvementLeanExperiments | Root causeIncidentLeanProblem solving | DecisionRolesGovernance |
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