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| Criterion |  UX Research Tree Testing |  Innovation Lean Startup |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | 1-2 Tage | Wochen bis Monate je Lernzyklus | 20-35 min | 1-5 Tage |
Participantsdifferent | Based on research question | 2-8 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Information architectureNavigationFindability | LeanStartupValidationMVP | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |