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| Criterion |  Operations Accountability Ladder |  Operations Fault Tree Analysis |  Architecture Architecture Communication Canvas |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Medium |
Timedifferent | 20-45 min | 2-6 h | 60-120 min | 2-4 h |
Participantsdifferent | 1-8 | 3-8 | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ResponsibilityLeadershipTeam | RiskRoot causeSafety | ArchitectureCommunicationStakeholdersCanvas | Root causeSafetyIncident |