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| Criterion |  UX Research Surveys |  Product Discovery Riskiest Assumption Test |  Decision Making Assumption Surfacing |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Medium | Low | Medium |
Timedifferent | 3-14 Tage | 1-2 Wochen pro Iteration | 45-90 min | 1-5 Tage |
Participantsdifferent | 50+ | 2-6 | 2-8 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Survey Results, Charts, Segment Insights | Prioritized Assumption List, Test Plan, Results Report | Assumption List, Critical Assumptions, Learning Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | QuantitativeResearchValidation | ExperimentsValidationDiscoveryAssumptions | AssumptionsRiskDecisionDiscovery | ValidationExperimentsDemandDiscovery |