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| Criterion |  UX Research Personas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fishbone Diagram |  UX Research Affinity Diagramming |
|---|---|---|---|---|
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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 45–90 min |
Participantsdifferent | Internes Team | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fishbone Diagram, Cause Categories, Investigation Backlog | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | ResearchCustomerSynthesis | ArchitectureQualityRiskTradeoffsStakeholders | Root causeQualityOperations | SynthesisQualitativeRoot cause |