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| Criterion |  Operations Gemba Walk |  Decision Making RAPID |  Architecture Architecture Decision Record |  Operations RACI Matrix |
|---|---|---|---|---|
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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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 unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-120 min | 45-90 min | 15-45 min | 45-90 min |
Participantsdifferent | 2-6 | 3-12 | 1-3 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | RAPID Role Map, Recommendation, Decision Log | ADR File, Decision Log, Rationale | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | LeanObservationProcessOperations | DecisionRolesGovernance | ArchitectureRationaleDocumentationGovernance | RolesResponsibilityGovernanceOperations |