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| Criterion |  Operations PDCA Cycle |  Innovation Lean Startup |  Business Strategy 5-Minuten VC-Check |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 1 h bis mehrere Wochen | Wochen bis Monate je Lernzyklus | 5-15 min | 1-5 Tage |
Participantsdifferent | 1-8 | 2-8 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Continuous improvementLeanExperiments | LeanStartupValidationMVP | StartupValidationCompetition | ValidationExperimentsDemandDiscovery |