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| Criterion |  Operations DMAIC |  Operations PDCA Cycle |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 2-12 Wochen | 1 h bis mehrere Wochen | 1-5 Tage | 45-75 min |
Participantsdifferent | 3-10 | 1-8 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | Continuous improvementQualityProcess improvement | Continuous improvementLeanExperiments | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |