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Selected:PersonasRoot Cause AnalysisSAAM (Software Architecture Analysis Method)Root Cause Tree Analysis
| Criterion |  UX Research Personas |  Operations Root Cause Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | 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. | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-3 Tage | 1-4 h | Preparation, scenario analysis, and findings review; effort depends on scope | 1-3 h |
Participantsdifferent | Internes Team | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 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 | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ResearchCustomerSynthesis | Root causeProblem solvingQualityIncident | ArchitectureChangeAnalysisComparisonQuality | Root causeTreeIncidentQuality |