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| Criterion |  Product Discovery Smoke Test |  Operations Ivy Lee Method |  Operations Weekly Review |  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. | 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. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. | 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 | 5-10 min daily | 30-60 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1 | 1 | Nutzertraffic |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Daily Priority List, Completion Notes | Updated Task System, Weekly Focus, Next Actions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | PrioritizationProductivityExecution | ProductivityExecutionPlanning | ValidationExperimentsDemandDiscovery |