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| Criterion |  Architecture Architecture Inception Canvas |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 1-2 h | 2-6 h | 2-4 h |
Participantsdifferent | 3-8 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Inception Canvas, Risks, Goal List, Open Questions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | AlignmentArchitectureCanvas | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
