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| Criterion |  Operations Time Blocking |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-30 min Planung, laufend | 2–4 h review as a planning range; preparation and evaluation additional | 30-120 min |
Participantsdifferent | 1 | Designers, developers as users, and facilitation | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Observation Notes, Improvement Ideas |
Tagsno overlap | PlanningTime managementFocus | ArchitectureEngineeringFeedbackValidationTasks | LeanObservationProcessOperations |
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