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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Gemba Walk |  Operations Eat the Frog |  Operations Ivy Lee Method |
|---|---|---|---|---|
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 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-120 min | 15-90 min daily | 5-10 min daily |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Observation Notes, Improvement Ideas | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | LeanObservationProcessOperations | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution |