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Selected:ARID (Active Reviews for Intermediate Designs)Design ThinkingCausal Factor AnalysisBarrier Analysis
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Design Thinking |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | Medium | High | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1 Tag bis mehrere Wochen | 2-6 h | 2-4 h |
Participantsdifferent | Designers, developers as users, and facilitation | 4-10 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Statement, Prototype, Test Learnings | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | InnovationPrototypeResearch | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |