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| Criterion |  Innovation Lean Startup |  Operations A3 Problem Solving |  Operations Kaizen Event |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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 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. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 45-90 min | 0.5-5 Tage | 2-8 h |
Participantsdifferent | 2-8 | 2-5 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | A3 Report, Action Plan, Root Cause Analysis | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanStartupValidationMVP | LeanProblem solvingCoachingOperations | LeanContinuous improvementOperations | Problem solvingRoot causeDecisionOperations |