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| Criterion |  Business Strategy 5-Minuten VC-Check |  Operations Gemba Walk |  Growth A/B Testing |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 5-15 min | 30-120 min | 1-4 Wochen | 45-90 min |
Participantsdifferent | 1-5 | 2-6 | 1-6 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Observation Notes, Improvement Ideas | Experiment results, Decision log, Learning summary | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | StartupValidationCompetition | LeanObservationProcessOperations | ExperimentsGrowthAnalyticsValidation | LeanProblem solvingCoachingOperations |