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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Strategy RICE Scoring |  Product Strategy ICE Scoring |  Decision Making Risk Matrix |
|---|---|---|---|---|
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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min | 30-60 min | 30-60 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-10 | 2-8 | 3-10 |
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 | RICE Scores, Ranked List, Assumption Log | ICE Table, Top Idea List | Risk Matrix, Top Risk List |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationScoringRoadmapTradeoffs | PrioritizationScoringGrowthDecision | RiskDecisionPrioritizationAssessment |