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Selected:Failure Scenario AnalysisLASR (Lightweight Approach for Software Reviews)ARID (Active Reviews for Intermediate Designs)Assumption Mapping
| Criterion | ![]() Engineering Failure Scenario Analysis | ![]() Architecture LASR (Lightweight Approach for Software Reviews) | ![]() Architecture ARID (Active Reviews for Intermediate Designs) | ![]() Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 2–4 h review as a planning range; preparation and evaluation additional | 45-60 min |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | Designers, developers as users, and facilitation | 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 | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | FailureResilienceRisk | ArchitectureQualityRiskAssessmentLean | ArchitectureEngineeringFeedbackValidationTasks | AssumptionsRiskExperimentsValidation |



