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| Criterion |  Innovation Lean Startup |  UX Research Card Sorting |  UX Research Tree Testing |  Product Discovery Pretotyping |
|---|---|---|---|---|
Purposedifferent | 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. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 20-45 min | 1-2 Tage | Stunden bis wenige Tage |
Participantsdifferent | 2-8 | Based on research question | Based on research question | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision |
Tagsno overlap | LeanStartupValidationMVP | Information architectureNavigationStructure | Information architectureNavigationFindability | ValidationDemandMVP |