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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Nominal Group Technique |  Facilitation Stakeholder Mapping |
|---|---|---|---|
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 loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. |
Complexitydifferent | High | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min | 60–90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 5-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | 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 | Ranked Ideas, Clarified Options, Group Priority | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationPrioritizationVotingInclusion | StakeholdersAlignmentFacilitationChange |
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