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| Criterion |  Architecture Architecture Decision Record |  Innovation Contradiction Analysis |  Operations Gemba Walk |
|---|---|---|---|
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 a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | 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 | 15-45 min | 60-120 min | 30-120 min |
Participantsdifferent | 1-3 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Observation Notes, Improvement Ideas |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ContradictionsInnovationProblem solving | LeanObservationProcessOperations |
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