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| Criterion |  Operations PDCA Cycle |  Decision Making Delphi Method |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 1 h bis mehrere Wochen | 1-4 Wochen | 1-4 Wochen |
Participantsdifferent | 1-8 | 6-30 Experten | 1-6 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Expert Forecast, Consensus Range, Assumption Notes | Experiment results, Decision log, Learning summary |
Tagsno overlap | Continuous improvementLeanExperiments | ForecastingExpertsDecisionStrategy | ExperimentsGrowthAnalyticsValidation |
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