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| Criterion |  Operations PDCA Cycle |  Operations 5 Whys |  Innovation Lean Startup |
|---|---|---|---|
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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 1 h bis mehrere Wochen | 15-30 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-8 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Root cause notes, Countermeasures | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tags1 shared | Continuous improvementLeanExperiments | Root causeIncidentLeanProblem solving | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
