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| Criterion |  Operations Change Analysis |  Product Discovery Smoke Test |  Decision Making Trade-off Analysis |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 45-120 min | 1-5 Tage | 45-120 min | 1-5 Tage |
Participantsdifferent | 2-6 | Nutzertraffic | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Interest Metrics, Conversion Signal, Learning Note | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ValidationExperimentsDemandGrowth | TradeoffsDecisionCriteriaOptions | ValidationExperimentsDemandDiscovery |