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Selected:User InterviewsSAAM (Software Architecture Analysis Method)Change Analysis8D Problem Solving
| Criterion |  UX Research User Interviews |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 30–60 min per interview | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 1-6 Wochen |
Participantsdifferent | 1 participant per interview | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | 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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | QualityProblem solvingRoot cause |