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| Criterion |  Innovation Lean Startup |  Growth Funnel Analysis |  Operations 5 Whys |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-3 h | 15-30 min | 1-4 Wochen |
Participantsdifferent | 2-8 | 1-5 | 2-6 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Funnel report, Drop-off analysis, Optimization hypotheses | Root cause notes, Countermeasures | Experiment results, Decision log, Learning summary |
Tagsno overlap | LeanStartupValidationMVP | AnalyticsConversionGrowth | Root causeIncidentLeanProblem solving | ExperimentsGrowthAnalyticsValidation |