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| Criterion |  Product Discovery Test Card |  Product Discovery Hypothesis Prioritization Canvas |  Operations Ivy Lee Method |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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 | Medium | Low | Medium |
Timedifferent | 20-35 min | 60-90 min | 5-10 min daily | 1-5 Tage |
Participantsdifferent | 1-5 | 3-8 | 1 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Test Card with a pre-set threshold | Prioritization Canvas, Hypothesis Backlog | Daily Priority List, Completion Notes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | ExperimentsPrioritizationDiscoveryHypothesis | PrioritizationProductivityExecution | ValidationExperimentsDemandDiscovery |