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| Criterion |  Operations 5 Whys |  Product Discovery Smoke Test |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Low | High |
Timedifferent | 15-30 min | 1-5 Tage | 1-4 Wochen |
Participantsdifferent | 2-6 | Nutzertraffic | 1-6 |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Root cause notes, Countermeasures | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary |
Tagsno overlap | Root causeIncidentLeanProblem solving | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation |
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