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| Criterion |  Innovation Double Diamond |  Innovation Lean Startup |  UX Research Card Sorting |
|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | Wochen bis Monate | Wochen bis Monate je Lernzyklus | 20-45 min |
Participantsdifferent | 3-12 | 2-8 | Based on research question |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Content groups, Label set, IA hypotheses |
Tagsno overlap | ProcessDivergenceInnovation | LeanStartupValidationMVP | Information architectureNavigationStructure |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
