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| Criterion |  Operations PDCA Cycle |  Decision Making Wideband Delphi |  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. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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 h or multiple rounds | 1-4 Wochen |
Participantsdifferent | 1-8 | 4-12 Experten | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Estimate Range, Assumption Log, Expert Consensus Notes | Experiment results, Decision log, Learning summary |
Tagsno overlap | Continuous improvementLeanExperiments | EstimationExpertsForecasting | ExperimentsGrowthAnalyticsValidation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
