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Selected:4Ls RetrospectiveRisk StormingARID (Active Reviews for Intermediate Designs)ATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Agile 4Ls Retrospective |  Architecture Risk Storming |  Architecture ARID (Active Reviews for Intermediate Designs) |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. | 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 | Low | Low | Medium | High |
Timedifferent | 45–75 min | 60-90 min | 2–4 h review as a planning range; preparation and evaluation additional | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | Team members involved | 4-12 | Designers, developers as users, and facilitation | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | Annotated Diagram, Prioritized Risk List, Action Backlog | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | RetrospectiveLearningReflectionTeam | RiskArchitectureWorkshopValidation | ArchitectureEngineeringFeedbackValidationTasks | ArchitectureQualityRiskTradeoffsStakeholders |