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| Criterion |  UX Research User Interviews |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30–60 min per interview | Preparation, scenario analysis, and findings review; effort depends on scope | 45-90 min |
Participantsdifferent | 1 participant per interview | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatsame | 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 | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureChangeAnalysisComparisonQuality | AssumptionsRiskDecisionDiscovery |
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