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| Criterion |  Product Discovery Smoke Test |  Operations Eat the Frog |  Operations Ivy Lee Method |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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 | Low | Low | Low | Medium |
Timedifferent | 1-5 Tage | 15-90 min daily | 5-10 min daily | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1 | 1 | Nutzertraffic |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution | ValidationExperimentsDemandDiscovery |