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| Criterion |  Architecture C4 Model |  Facilitation 1-2-4-All |  Innovation Reverse Brainstorming |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 10-20 min | 30-60 min | 20-45 min |
Participantsdifferent | 1-5 | 4-100+ | 3-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Idea List, Shared Insights, Emergent Themes | Reverse Ideas, Risk Themes, Solution Ideas | Idea List, Cluster, Shortlist |
Tagsno overlap | ArchitectureCommunicationVisualization | FacilitationInclusionIdeation | BrainstormingIdeationCreativityRisk | BrainstormingIdeationFacilitationInclusionCreativity |