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Selected:User InterviewsC4 ModelLASR (Lightweight Approach for Software Reviews)Architecture Communication Canvas
| Criterion |  UX Research User Interviews |  Architecture C4 Model |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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 | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 1-4 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 60-120 min |
Participantsdifferent | 1 participant per interview | 1-5 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Context Diagram, Container Diagram, Component Diagram | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureCommunicationVisualization | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationStakeholdersCanvas |