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| Criterion |  Innovation Lean Startup |  Innovation Design Thinking |  UX Research Card Sorting |  Product Strategy Lean Canvas |
|---|---|---|---|---|
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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 1 Tag bis mehrere Wochen | 20-45 min | 45-90 min |
Participantsdifferent | 2-8 | 4-10 | Based on research question | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Statement, Prototype, Test Learnings | Content groups, Label set, IA hypotheses | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | LeanStartupValidationMVP | InnovationPrototypeResearch | Information architectureNavigationStructure | StartupLeanAssumptionsBusiness model |