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| Criterion |  Innovation Double Diamond |  UX Research Card Sorting |  UX Research Surveys |  Innovation Design Thinking |
|---|---|---|---|---|
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. | 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 topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | Wochen bis Monate | 20-45 min | 3-14 Tage | 1 Tag bis mehrere Wochen |
Participantsdifferent | 3-12 | Based on research question | 50+ | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Content groups, Label set, IA hypotheses | Survey Results, Charts, Segment Insights | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ProcessDivergenceInnovation | Information architectureNavigationStructure | QuantitativeResearchValidation | InnovationPrototypeResearch |