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| Criterion |  Product Discovery Context Canvas |  Systems Thinking CATWOE Analysis |  Facilitation Nominal Group Technique |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 45-90 min | 45-90 min | 60-120 min | 60-120 min |
Participantsdifferent | 3-10 | 3-8 | 5-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Ranked Ideas, Clarified Options, Group Priority | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ContextFramingRequirementsCanvas | Systems thinkingFramingStakeholders | FacilitationPrioritizationVotingInclusion | ArchitectureCommunicationStakeholdersCanvas |