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| Criterion |  Product Discovery Solution Interview |  UX Research First-click Testing |  Innovation Design Sprint |  UX Research Tree Testing |
|---|---|---|---|---|
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 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 navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 4-5 Tage | 1-2 Tage |
Participantsdifferent | 5-10 Interviews | 10-30 | 5-8 | Based on research question |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Click Heatmap, Success Rate, Design Recommendations | Prototype, Test Findings, Decision Rationale | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | ValidationInterviewsPrototype | UXNavigationFindabilityValidation | Design sprintPrototypeValidationInnovation | Information architectureNavigationFindability |