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| Criterion |  Domain Modeling EventStorming |  Operations Barrier Analysis |  Facilitation Consensus Workshop |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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. | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | 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 | Medium | Medium | Medium | Low |
Timedifferent | 2-8 h | 2-4 h | 1-3 h | 15-30 min |
Participantsdifferent | 5-12 | 2-6 | 5-30 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Consensus Clusters, Theme Titles, Priority Areas | Root cause notes, Countermeasures |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | Root causeSafetyIncident | FacilitationConsensusWorkshopAlignment | Root causeIncidentLeanProblem solving |