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Selected:Pareto AnalysisATAM (Architecture Tradeoff Analysis Method)Decision MatrixFailure Mode and Effects Analysis
| Criterion |  Decision Making Pareto Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Decision Matrix |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | High | Medium | High |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 2-6 h |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 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 | Decision Matrix, Scoring Rationale, Selected Option | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationQualityFocusRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | DecisionCriteriaScoringTradeoffs | RiskQualityOperationsRoot cause |