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Selected:Design ThinkingARID (Active Reviews for Intermediate Designs)Causal Factor AnalysisBarrier Analysis
| Criterion |  Innovation Design Thinking |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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 | High | Medium | High | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 2–4 h review as a planning range; preparation and evaluation additional | 2-6 h | 2-4 h |
Participantsdifferent | 4-10 | Designers, developers as users, and facilitation | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | InnovationPrototypeResearch | ArchitectureEngineeringFeedbackValidationTasks | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |