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| Criterion |  Operations PDCA Cycle |  Architecture Software Architecture Canvas |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | Low | Low | Medium | Medium |
Timedifferent | 1 h bis mehrere Wochen | 1-2 h | 1-5 Tage | 45-75 min |
Participantsdifferent | 1-8 | 3-10 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Architecture Canvas, Goals, Constraints, Quality Attributes | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | Continuous improvementLeanExperiments | CanvasArchitectureAlignmentWorkshop | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |