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| Criterion |  Innovation Design Sprint |  UX Research Affinity Diagramming |  UX Research Card Sorting |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 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 | High | Low | Low | Medium |
Timedifferent | 4-5 Tage | 45–90 min | 20-45 min | 30-60 min je Interview |
Participantsdifferent | 5-8 | 3-10 | Based on research question | 5-10 Interviews |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Theme clusters, Insight statements, Opportunity areas | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | Design sprintPrototypeValidationInnovation | SynthesisQualitativeRoot cause | Information architectureNavigationStructure | ValidationInterviewsPrototype |