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Selected:A3 Problem SolvingARID (Active Reviews for Intermediate Designs)ALPEN MethodGetting Things Done
| Criterion |  Operations A3 Problem Solving |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations ALPEN Method |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | 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. | 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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 10-20 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 2-5 | Designers, developers as users, and facilitation | 1 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureEngineeringFeedbackValidationTasks | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution |