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| Criterion |  UX Research User Interviews |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Views and Beyond |  Architecture arc42 |
|---|---|---|---|---|
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. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 30–60 min per interview | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 Tage | 1-2 Tage |
Participantsdifferent | 1 participant per interview | Evaluation team, architects, and relevant stakeholders | 1-4 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Views, Cross-view Notes, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | DocumentationStakeholdersArchitecture | ArchitectureDocumentationCommunication |