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Selected:ARID (Active Reviews for Intermediate Designs)5 WhysRoot Cause Tree AnalysisLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations 5 Whys |  Operations Root Cause Tree Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 15-30 min | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 2-8 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Root cause notes, Countermeasures | Cause Tree, Evidence 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 | ArchitectureEngineeringFeedbackValidationTasks | Root causeIncidentLeanProblem solving | Root causeTreeIncidentQuality | ArchitectureQualityRiskAssessmentLean |