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| Criterion |  Innovation Lean Startup |  UX Research Card Sorting |  Operations Gemba Walk |
|---|---|---|---|
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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 20-45 min | 30-120 min |
Participantsdifferent | 2-8 | Based on research question | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Content groups, Label set, IA hypotheses | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanStartupValidationMVP | Information architectureNavigationStructure | LeanObservationProcessOperations |
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