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| Criterion |  Operations PDCA Cycle |  Operations Root Cause Analysis |  Decision Making DACI |
|---|---|---|---|
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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1 h bis mehrere Wochen | 1-4 h | 30-60 min |
Participantsdifferent | 1-8 | 3-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Continuous improvementLeanExperiments | Root causeProblem solvingQualityIncident | DecisionRolesGovernanceAlignment |
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