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| Criterion |  Innovation Design Sprint |  UX Research First-click Testing |  Operations 5 Whys |  UX Research Usability Testing |
|---|---|---|---|---|
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 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 4-5 Tage | 1-2 Tage | 15-30 min | 1-2 h je Session |
Participantsdifferent | 5-8 | 10-30 | 2-6 | Based on research question |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Click Heatmap, Success Rate, Design Recommendations | Root cause notes, Countermeasures | Usability Issues, Severity List, Recommendations |
Tagsno overlap | Design sprintPrototypeValidationInnovation | UXNavigationFindabilityValidation | Root causeIncidentLeanProblem solving | ValidationUXPrototype |