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| Criterion |  Architecture C4 Model |  UX Research Card Sorting |  Architecture Risk Storming |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 1-4 h | 20-45 min | 60-90 min | 45-60 min |
Participantsdifferent | 1-5 | Based on research question | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Content groups, Label set, IA hypotheses | Annotated Diagram, Prioritized Risk List, Action Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureCommunicationVisualization | Information architectureNavigationStructure | RiskArchitectureWorkshopValidation | AssumptionsRiskExperimentsValidation |