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| Criterion |  Architecture Architecture Decision Record |  Facilitation Nominal Group Technique |  Innovation Round Robin Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | 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 | Low | Medium | Low | Low |
Timedifferent | 15-45 min | 60-120 min | 20-45 min | 10-20 min |
Participantsdifferent | 1-3 | 5-12 | 4-10 | 4-100+ |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Ranked Ideas, Clarified Options, Group Priority | Idea List, Cluster, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | FacilitationPrioritizationVotingInclusion | BrainstormingIdeationFacilitationInclusionCreativity | FacilitationInclusionIdeation |