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| Criterion |  Facilitation 1-2-4-All |  Architecture arc42 |  Architecture C4 Model |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | 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 | 10-20 min | 1-2 Tage | 1-4 h | 20-45 min |
Participantsdifferent | 4-100+ | 1-4 | 1-5 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Idea List, Cluster, Shortlist |
Tagsno overlap | FacilitationInclusionIdeation | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | BrainstormingIdeationFacilitationInclusionCreativity |