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| Criterion |  Product Discovery Opportunity Interview |  UX Research Affinity Diagramming |  Architecture C4 Model |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-60 min je Interview | 45–90 min | 1-4 h | 1-2 Tage |
Participantsdifferent | 5-12 Interviews | 3-10 | 1-5 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Theme clusters, Insight statements, Opportunity areas | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | SynthesisQualitativeRoot cause | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication |