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Selected:User InterviewsFailure Mode and Effects AnalysisSAAM (Software Architecture Analysis Method)Change Analysis
| Criterion |  UX Research User Interviews |  Operations Failure Mode and Effects Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | High | High | Medium |
Timedifferent | 30–60 min per interview | 2-6 h | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | 1 participant per interview | 3-10 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | FMEA Table, Risk Priority, Mitigation Actions | 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 | QualitativeResearchCustomerDiscovery | RiskQualityOperationsRoot cause | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |