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Selected:User InterviewsSAAM (Software Architecture Analysis Method)8D Problem SolvingRoot Cause Analysis
| Criterion |  UX Research User Interviews |  Architecture SAAM (Software Architecture Analysis Method) |  Operations 8D Problem Solving |  Operations Root Cause 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. | 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 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 30–60 min per interview | Preparation, scenario analysis, and findings review; effort depends on scope | 1-6 Wochen | 1-4 h |
Participantsdifferent | 1 participant per interview | Architecture experts and stakeholders for scenarios and weighting | 4-10 | 3-8 |
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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureChangeAnalysisComparisonQuality | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |