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Selected:IBISRisk MatrixLASR (Lightweight Approach for Software Reviews)Architecture Decision Record
| Criterion |  Knowledge Modeling IBIS |  Decision Making Risk Matrix |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 | Low | Medium | Low |
Timedifferent | 1-3 h | 30-60 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min |
Participantsdifferent | 2-8 | 3-10 | 1 or a small team; particularly suitable for 3–4 people | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | Risk Matrix, Top Risk List | 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 | RationaleKnowledgeDecision | RiskDecisionPrioritizationAssessment | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance |