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| Criterion |  Product Discovery Context Canvas |  Facilitation 3-Circle Venn Diagram |  Facilitation Dot Voting |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | 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 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 45-90 min | 15-45 min | 5-15 min | 60-120 min |
Participantsdifferent | 3-10 | 2-8 | 3-20 | 5-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Context canvas, Open questions, Shared context notes | Venn Diagram, Overlap Notes, Differentiators | Ranked list, Consensus signal, Shortlist | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | ContextFramingRequirementsCanvas | ComparisonFacilitationAlignment | FacilitationVotingConsensusPrioritization | FacilitationPrioritizationVotingInclusion |