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| Criterion |  Facilitation Nominal Group Technique |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Dot Voting |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 60-120 min | Several meetings plus preparation and analysis; total effort depends on scope | 5-15 min | 10-20 min |
Participantsdifferent | 5-12 | Evaluation team, architects, and relevant stakeholders | 3-20 | 4-100+ |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Ranked list, Consensus signal, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationVotingConsensusPrioritization | FacilitationInclusionIdeation |