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Selected:ARID (Active Reviews for Intermediate Designs)Architecture Inception CanvasA3 Problem SolvingGemba Walk
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Architecture Architecture Inception Canvas |  Operations A3 Problem Solving |  Operations Gemba Walk |
|---|---|---|---|---|
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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h | 45-90 min | 30-120 min |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | 2-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Inception Canvas, Risks, Goal List, Open Questions | A3 Report, Action Plan, Root Cause Analysis | Observation Notes, Improvement Ideas |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | AlignmentArchitectureCanvas | LeanProblem solvingCoachingOperations | LeanObservationProcessOperations |