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| Criterion |  Growth Funnel Analysis |  Operations A3 Problem Solving |  Operations 5 Whys |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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 | 1-3 h | 45-90 min | 15-30 min | 1-4 Wochen |
Participantsdifferent | 1-5 | 2-5 | 2-6 | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | A3 Report, Action Plan, Root Cause Analysis | Root cause notes, Countermeasures | Experiment results, Decision log, Learning summary |
Tagsno overlap | AnalyticsConversionGrowth | LeanProblem solvingCoachingOperations | Root causeIncidentLeanProblem solving | ExperimentsGrowthAnalyticsValidation |