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| Criterion |  Growth A/B Testing |  Operations DMAIC |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | 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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | High | High | Low |
Timedifferent | 1-4 Wochen | 2-12 Wochen | 20-35 min |
Participantsdifferent | 1-6 | 3-10 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Test Card with a pre-set threshold |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | Continuous improvementQualityProcess improvement | ExperimentsValidationDiscoveryHypothesis |
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