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| Criterion |  Product Discovery Solution Interview |  UX Research First-click Testing |  UX Research Card Sorting |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | 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. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 20-45 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 10-30 | Based on research question | 5-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Click Heatmap, Success Rate, Design Recommendations | Content groups, Label set, IA hypotheses | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | UXNavigationFindabilityValidation | Information architectureNavigationStructure | Design sprintPrototypeValidationInnovation |