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| Criterion |  UX Research Card Sorting |  Innovation Design Sprint |  Innovation Crazy 8s |  Innovation Design Thinking |
|---|---|---|---|---|
Purposedifferent | 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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 | Low | High | Low | High |
Timedifferent | 20-45 min | 4-5 Tage | 8-15 min | 1 Tag bis mehrere Wochen |
Participantsdifferent | Based on research question | 5-8 | 1-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Prototype, Test Findings, Decision Rationale | Sketch Set, Idea Shortlist, Direction Options | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | Information architectureNavigationStructure | Design sprintPrototypeValidationInnovation | BrainstormingSketchingSpeedDivergenceDesign sprint | InnovationPrototypeResearch |