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| Criterion |  Innovation Lean Startup |  Operations PDCA Cycle |  Operations Kaizen Event |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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 tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 1 h bis mehrere Wochen | 0.5-5 Tage | 45-90 min |
Participantsdifferent | 2-8 | 1-8 | 4-10 | 2-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | A3 Report, Action Plan, Root Cause Analysis |
Tags1 shared | LeanStartupValidationMVP | Continuous improvementLeanExperiments | LeanContinuous improvementOperations | LeanProblem solvingCoachingOperations |