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| Criterion |  Product Discovery Pretotyping |  UX Research Tree Testing |  UX Research Card Sorting |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | Stunden bis wenige Tage | 1-2 Tage | 20-45 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-4 | Based on research question | Based on research question | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | ValidationDemandMVP | Information architectureNavigationFindability | Information architectureNavigationStructure | LeanStartupValidationMVP |