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| Criterion |  Operations DMAIC |  Decision Making Delphi Method |  Growth A/B Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | High | High | Medium |
Timedifferent | 2-12 Wochen | 1-4 Wochen | 1-4 Wochen | 45-60 min |
Participantsdifferent | 3-10 | 6-30 Experten | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Expert Forecast, Consensus Range, Assumption Notes | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Continuous improvementQualityProcess improvement | ForecastingExpertsDecisionStrategy | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation |