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| Criterion |  Operations Change Analysis |  UX Research First-click Testing |  UX Research Tree Testing |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 45-120 min | 1-2 Tage | 1-2 Tage | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | 10-30 | Based on research question | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Click Heatmap, Success Rate, Design Recommendations | Findability Metrics, Path Analysis, Revised IA | 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 |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | UXNavigationFindabilityValidation | Information architectureNavigationFindability | ArchitectureChangeAnalysisComparisonQuality |