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| Criterion |  Operations Kaizen Event |  Product Discovery MVP Test Matrix |  Operations PDCA Cycle |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 0.5-5 Tage | 45-75 min | 1 h bis mehrere Wochen | 1-2 Wochen pro Iteration |
Participantsdifferent | 4-10 | 2-8 | 1-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Test Matrix, Test Plan | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | LeanContinuous improvementOperations | ExperimentsValidationDiscoveryOptions | Continuous improvementLeanExperiments | ExperimentsValidationDiscoveryAssumptions |