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| Criterion |  Architecture Architecture Decision Record |  Innovation Design Sprint |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | High | Low |
Timedifferent | 15-45 min | 4-5 Tage | 15-30 min |
Participantsdifferent | 1-3 | 5-8 | 2-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Prototype, Test Findings, Decision Rationale | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Design sprintPrototypeValidationInnovation | Root causeIncidentLeanProblem solving |
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