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| Criterion |  UX Research Card Sorting |  Innovation Design Sprint |  UX Research Surveys |  Product Discovery Solution Interview |
|---|---|---|---|---|
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. | 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. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 20-45 min | 4-5 Tage | 3-14 Tage | 30-60 min je Interview |
Participantsdifferent | Based on research question | 5-8 | 50+ | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Prototype, Test Findings, Decision Rationale | Survey Results, Charts, Segment Insights | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | Information architectureNavigationStructure | Design sprintPrototypeValidationInnovation | QuantitativeResearchValidation | ValidationInterviewsPrototype |