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Selected:ARID (Active Reviews for Intermediate Designs)Sprint RetrospectiveProcess Mapping4Ls Retrospective
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Agile Sprint Retrospective |  Operations Process Mapping |  Agile 4Ls 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 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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 1-3 h | 45–75 min |
Participantsdifferent | Designers, developers as users, and facilitation | Scrum Team | 3-10 | Team members involved |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Improvement actions, Team agreements | Process Map, Handoff List, Improvement Backlog | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | RetrospectiveImprovementLearning | ProcessOperationsImprovement | RetrospectiveLearningReflectionTeam |