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Selected:ARID (Active Reviews for Intermediate Designs)4Ls RetrospectiveSailboat RetrospectiveSprint Retrospective
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Agile 4Ls Retrospective |  Agile Sailboat Retrospective |  Agile Sprint Retrospective |
|---|---|---|---|---|
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. | 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. | When a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 45–75 min | 45-90 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter |
Participantsdifferent | Designers, developers as users, and facilitation | Team members involved | 4-12 | Scrum Team |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | 4Ls Board, Learning Themes, Improvement Actions | Sailboat Board, Risks, Improvement Actions | Improvement actions, Team agreements |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | RetrospectiveLearningReflectionTeam | RetrospectiveTeamImprovement | RetrospectiveImprovementLearning |