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| Criterion |  Operations DMAIC |  Decision Making Risk Matrix |  Product Strategy ICE Scoring |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 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. | 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 | High | Low | Low | High |
Timedifferent | 2-12 Wochen | 30-60 min | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-10 | 3-10 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Risk Matrix, Top Risk List | ICE Table, Top Idea List | 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 | Continuous improvementQualityProcess improvement | RiskDecisionPrioritizationAssessment | PrioritizationScoringGrowthDecision | ArchitectureQualityRiskTradeoffsStakeholders |