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| Criterion |  Operations A3 Problem Solving |  Architecture Architecture Decision Record |  Operations Getting Things Done |  Operations ALPEN Method |
|---|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-90 min | 15-45 min | 1-2 h Setup, laufend | 10-20 min daily |
Participantsdifferent | 2-5 | 1-3 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | ADR File, Decision Log, Rationale | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureRationaleDocumentationGovernance | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations |