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| Criterion |  Operations 5 Whys |  Innovation Lean Startup |  Operations A3 Problem Solving |  Business Strategy 5-Minuten VC-Check |
|---|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 15-30 min | Wochen bis Monate je Lernzyklus | 45-90 min | 5-15 min |
Participantsdifferent | 2-6 | 2-8 | 2-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | A3 Report, Action Plan, Root Cause Analysis | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | Root causeIncidentLeanProblem solving | LeanStartupValidationMVP | LeanProblem solvingCoachingOperations | StartupValidationCompetition |