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Selected:ICE ScoringPareto AnalysisATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects Analysis
| Criterion |  Product Strategy ICE Scoring |  Decision Making Pareto Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 30-60 min | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h |
Participantsdifferent | 2-8 | 1-6 | Evaluation team, architects, and relevant stakeholders | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ICE Table, Top Idea List | Pareto Chart, Top Causes, Focus List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationScoringGrowthDecision | PrioritizationQualityFocusRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause |