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| Criterion |  Operations Gemba Walk |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Getting Things Done |  Operations Weekly Review |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-120 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h Setup, laufend | 30-60 min |
Participantsdifferent | 2-6 | Designers, developers as users, and facilitation | 1 | 1 |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Action Lists, Project List, Review Routine | Updated Task System, Weekly Focus, Next Actions |
Tagsno overlap | LeanObservationProcessOperations | ArchitectureEngineeringFeedbackValidationTasks | ProductivityPlanningTasksExecution | ProductivityExecutionPlanning |