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Selected:ARID (Active Reviews for Intermediate Designs)Pre-MortemATAM (Architecture Tradeoff Analysis Method)Assumption Mapping
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Decision Making Pre-Mortem |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 20–45 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | Small cross-functional group | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Risk list, Mitigation plan, Assumption log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | RiskDecisionFailurePlanning | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation |