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Selected:IBISLASR (Lightweight Approach for Software Reviews)Assumption SurfacingArchitecture Decision Record
| Criterion |  Knowledge Modeling IBIS |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Assumption Surfacing |  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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Medium | Low | Low |
Timedifferent | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min | 15-45 min |
Participantsdifferent | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | 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 | Assumption List, Critical Assumptions, Learning Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | RationaleKnowledgeDecision | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskDecisionDiscovery | ArchitectureRationaleDocumentationGovernance |