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Selected:ATAM (Architecture Tradeoff Analysis Method)User InterviewsDecision MatrixTrade-off Analysis
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  UX Research User Interviews |  Decision Making Decision Matrix |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30–60 min per interview | 45-90 min | 45-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1 participant per interview | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Interview Notes, Themes, Insight Summary | Decision Matrix, Scoring Rationale, Selected Option | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | QualitativeResearchCustomerDiscovery | DecisionCriteriaScoringTradeoffs | TradeoffsDecisionCriteriaOptions |