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Selected:Usability TestingLASR (Lightweight Approach for Software Reviews)Architecture Decision Record
| Criterion |  UX Research Usability Testing |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 h je Session | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min |
Participantsdifferent | Based on research question | 1 or a small team; particularly suitable for 3–4 people | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | 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 | ADR File, Decision Log, Rationale |
Tagsno overlap | ValidationUXPrototype | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance |
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