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| Criterion |  Operations A3 Problem Solving |  Innovation Design Sprint |  UX Research Usability Testing |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up 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 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. | 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. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 45-90 min | 4-5 Tage | 1-2 h je Session | 1-2 Tage |
Participantsdifferent | 2-5 | 5-8 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Prototype, Test Findings, Decision Rationale | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | LeanProblem solvingCoachingOperations | Design sprintPrototypeValidationInnovation | ValidationUXPrototype | UXNavigationFindabilityValidation |