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Selected:Usability TestingFirst-click TestingSAAM (Software Architecture Analysis Method)Change Analysis
| Criterion |  UX Research Usability Testing |  UX Research First-click Testing |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-2 h je Session | 1-2 Tage | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | Based on research question | 10-30 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ValidationUXPrototype | UXNavigationFindabilityValidation | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |