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| Criterion |  Decision Making Risk Matrix |  UX Research User Interviews |  Product Strategy RICE Scoring |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 30-60 min | 30–60 min per interview | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-10 | 1 participant per interview | 2-10 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Interview Notes, Themes, Insight Summary | RICE Scores, Ranked List, Assumption Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | RiskDecisionPrioritizationAssessment | QualitativeResearchCustomerDiscovery | PrioritizationScoringRoadmapTradeoffs | ArchitectureQualityRiskTradeoffsStakeholders |