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Selected:Red TeamingLASR (Lightweight Approach for Software Reviews)Assumption MappingATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Decision Making Red Teaming |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Assumption Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 1-4 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-60 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Challenge Findings, Risk Register, Mitigation Plan | 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 map, Test backlog, Risk ranking | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tags1 shared | RiskDecisionSensemaking | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskExperimentsValidation | ArchitectureQualityRiskTradeoffsStakeholders |