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| Criterion |  Innovation How Might We |  Architecture Architecture Decision Record |  Facilitation Nominal Group Technique |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | 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. | 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 | Low | Medium | Low |
Timedifferent | 30–45 min | 15-45 min | 60-120 min | 10-20 min |
Participantsdifferent | 1-10 | 1-3 | 5-12 | 4-100+ |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | ADR File, Decision Log, Rationale | Ranked Ideas, Clarified Options, Group Priority | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | FramingOpportunityIdeationQuestions | ArchitectureRationaleDocumentationGovernance | FacilitationPrioritizationVotingInclusion | FacilitationInclusionIdeation |