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Selected:ARID (Active Reviews for Intermediate Designs)Barrier Analysis Iceberg Model Family Tree Analysis

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Barrier Analysis	Systems Thinking Iceberg Model	Operations Family Tree 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 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.	The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring.	For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	2-4 h	30-60 min	2-4 h
Participantsdifferent	Designers, developers as users, and facilitation	2-6	2-10	2-6
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Barrier Inventory, Failure Analysis per Barrier, Action Backlog	Iceberg Worksheet, Pattern Notes, Intervention Ideas	Family Tree Diagram, Pattern Notes, Systemic Measures
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Root causeSafetyIncident	Systems thinkingRoot causePatterns	Root causePatternsIncidentSystemic

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