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Selected:Consensus WorkshopATAM (Architecture Tradeoff Analysis Method)Nominal Group TechniqueAlignment Mapping
| Criterion |  Facilitation Consensus Workshop |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Nominal Group Technique |  Facilitation Alignment Mapping |
|---|---|---|---|---|
Purposedifferent | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | 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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min | 1-2 h |
Participantsdifferent | 5-30 | Evaluation team, architects, and relevant stakeholders | 5-12 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Consensus Clusters, Theme Titles, Priority Areas | 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 | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | FacilitationConsensusWorkshopAlignment | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationPrioritizationVotingInclusion | AlignmentStakeholdersStrategyFacilitation |