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Selected:Failure Scenario AnalysisLASR (Lightweight Approach for Software Reviews)Constraint AnalysisAssumption Surfacing
| Criterion |  Engineering Failure Scenario Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Constraint Analysis |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-90 min | 45-90 min |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response 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 | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | FailureResilienceRisk | ArchitectureQualityRiskAssessmentLean | ConstraintsDecisionPlanningOptions | AssumptionsRiskDecisionDiscovery |