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| Criterion |  UX Research Surveys |  Operations Fault Tree Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 3-14 Tage | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 50+ | 3-8 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | 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 |
Tagsno overlap | QuantitativeResearchValidation | RiskRoot causeSafety | ArchitectureQualityRiskAssessmentLean |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
