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Selected:Usability TestingLASR (Lightweight Approach for Software Reviews)Affinity Diagramming5 Whys
| Criterion |  UX Research Usability Testing |  Architecture LASR (Lightweight Approach for Software Reviews) |  UX Research Affinity Diagramming |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 h je Session | 3–4 h for initial assessment; preparation and deeper analysis additional | 45–90 min | 15-30 min |
Participantsdifferent | Based on research question | 1 or a small team; particularly suitable for 3–4 people | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
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 | Theme clusters, Insight statements, Opportunity areas | Root cause notes, Countermeasures |
Tagsno overlap | ValidationUXPrototype | ArchitectureQualityRiskAssessmentLean | SynthesisQualitativeRoot cause | Root causeIncidentLeanProblem solving |