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| Criterion |  Operations A3 Problem Solving |  Growth Funnel Analysis |  Operations Kepner-Tregoe |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | High | High |
Timedifferent | 45-90 min | 1-3 h | 2-8 h | 1-4 Wochen |
Participantsdifferent | 2-5 | 1-5 | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Funnel report, Drop-off analysis, Optimization hypotheses | Problem Analysis, Decision Analysis, Risk Plan | Experiment results, Decision log, Learning summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | AnalyticsConversionGrowth | Problem solvingRoot causeDecisionOperations | ExperimentsGrowthAnalyticsValidation |