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| Criterion |  Operations A3 Problem Solving |  Facilitation Dot Estimation |  Product Discovery Assumption Mapping |  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 size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Low | Medium | High |
Timedifferent | 45-90 min | 5-20 min | 45-60 min | 1-4 Wochen |
Participantsdifferent | 2-5 | 3-20 | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Effort Heatmap, Risk Signals, Discussion Targets | Assumption map, Test backlog, Risk ranking | Experiment results, Decision log, Learning summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | EstimationEffortRisk | AssumptionsRiskExperimentsValidation | ExperimentsGrowthAnalyticsValidation |