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| Criterion |  Product Discovery Smoke Test |  Operations Root Cause Analysis |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 1-4 h | 45-120 min |
Participantsdifferent | Nutzertraffic | 3-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ValidationExperimentsDemandGrowth | Root causeProblem solvingQualityIncident | ChangeRoot causeTroubleshootingComparison |
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