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| Criterion |  Architecture Quality Attribute Workshop |  Operations 5 Whys |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|
Purposedifferent | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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. | 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 | Low | Medium |
Timedifferent | 2-4 h | 15-30 min | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 5-15 | 2-6 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Root cause notes, Countermeasures | 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 | RequirementsArchitectureWorkshop | Root causeIncidentLeanProblem solving | ArchitectureQualityRiskAssessmentLean |
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