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| Criterion |  Architecture Architecture Decision Record |  Operations Root Cause Analysis |  Operations Ivy Lee Method |  Operations Eat the Frog |
|---|---|---|---|---|
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 problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 15-45 min | 1-4 h | 5-10 min daily | 15-90 min daily |
Participantsdifferent | 1-3 | 3-8 | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Daily Priority List, Completion Notes | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Root causeProblem solvingQualityIncident | PrioritizationProductivityExecution | PrioritizationProductivityFocusExecution |